| 单词 | only if |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔AND NOT gate〕A logic circuit that acts as the logical operator AND NOT. A signal is transmitted only if A is true and B is not.与非门：逻辑命令为“与非”的逻辑电路。只有A成立而B不成立时信号才能发出美国传统〔AND gate〕A logic circuit with two or more input wires that emits a signal only if all input wires receive coincident signals.与门：有两条以上输入线的逻辑电路，只有所有输入线同时收到信号时电路才能发出信号美国传统〔AND-OR circuit〕A gating circuit that produces an output signal only if one of several possible combined input signals is received.与或电路：一种门式电路，只有几个可能汇集的输入信号之一被接收时，电路才输出信号美国传统〔IF〕OK, I'll tell you, but only if you promise not to tell anyone else. 好吧，我告诉你。但你要先答应我不告诉任何人。朗文写作活用〔IF〕Seat belts are effective only if they are correctly adjusted. 只有正确地系好安全带它才会起作用。朗文写作活用〔MENTALLY ILL〕You are allowed to vote only if you are over 18 and of sound mind. 如果你过了18岁，精神健全，就有权投票。朗文写作活用〔NAND〕A logical operator that consists of a logical AND followed by a logical NOT and returns a false value only if both operands are true.逻辑与非闸：由逻辑与和其后的逻辑非组成的逻辑运算符，如果两个运算域都是真，则返回的值便为假美国传统〔NOR〕A logical operator that consists of a logical OR followed by a logical NOT and returns a true value only if both operands are false.或非：由逻辑非紧跟逻辑或之后构成的逻辑运算符，仅当算子均为假时才返回真价美国传统〔apply〕The rule applies only if you own shares.这条规则仅适用于股票持有者。外研社新世纪〔believe〕Only if one believes in something can one act purposefully.除非某人相信某事，否则某人决不会果断地行动。(或：只有某人相信某事，某人才会果断地行动。)21世纪英汉〔circumstance〕Only if the circumstances are exceptional will we accept late applications.除非特殊情况，否则我们不接受逾期申请。牛津搭配〔clash〕The two sides will clash there only if Chelsea beat Sunderland in their quarter-final replay.只有切尔西队在四分之一决赛的重赛中击败桑德兰队，双方才会交锋。柯林斯高阶〔conform〕The meat market can continue only if it is radically overhauled to conform with strict European standards.肉类市场只有经过彻底的大检查，严格遵守欧洲标准，才能继续营业。柯林斯高阶〔discharge〕A peace protester was conditionally discharged for twelve months (= allowed to go free only if they do not commit a crime again for this period of time).一个和平抗议者被有条件假释12个月。剑桥高阶〔echo〕Political attacks work only if they find an echo with voters.政治攻击只有在选民中引起共鸣才会有作用。柯林斯高阶〔echo〕Political attacks work only if they find an echo with voters.政治攻击只有在选民中引起共鸣才会有作用。外研社新世纪〔if〕Only if a teacher has given permission is a student allowed to leave the room.学生只有得到老师的许可才能离开教室。牛津高阶〔if〕Only if the red light comes on is there any danger to employees.只有红灯闪亮时才有危及职工的险情。牛津高阶〔if〕She will play the piano only if she is paid.只有付给她报酬，她才愿意演奏钢琴美国传统〔if〕The missiles can be fired only if the operator types in a six-digit code.只有当操作员输入一个六位数的密码，导弹才能发射。朗文当代〔if〕The rebels say they are ready to stop fighting, but only if the prisoners are released.叛乱者声称只有释放那些罪犯，他们才准备停止战斗。麦克米伦高阶〔keep〕The mines could keep going only if costs were pared to the bone.只有将开支缩减到最低限度,这些矿才能维持下去。 英汉大词典〔necessary〕The police are advising motorists to travel only if their journey is absolutely necessary.警方建议汽车驾驶员只在不得已的情况下才驾车出行。朗文当代〔only〕Children are admitted only if accompanied by an adult.儿童必须有成年人陪同方可入场。牛津高阶〔only〕I will go only if my wife goes with me.只有我太太跟我去，我才要去。文馨英汉〔only〕I'll tell you, but only if you don't tell anyone else.只要你不告诉别人，我就告诉你。朗文当代〔only〕The lawyer is paid only if he wins.只有官司赢了才支付律师费。柯林斯高阶〔only〕The lawyer is paid only if he wins.这个律师只有打赢官司才能拿到律师费。外研社新世纪〔only〕You pay the agent only if you sell the house.除非你卖掉房子，否则你就不必付钱给代理人。麦克米伦高阶〔placebo effect〕The placebo effect can be understood only if we acknowledge the unity of mind and body.只有我们承认身心一体，安慰剂效果才能被理解。柯林斯高阶〔presence〕The document is valid only if it is signed in the presence of a witness.只有在有证人在场时签署，这份文件才有效。麦克米伦高阶〔ride shotgun〕You can drive, but only if I can ride shotgun.你可以开车，但条件是我要坐在你身旁。韦氏高阶〔substance〕Syria will attend only if the negotiations deal with issues of substance.只有在谈判涉及重大问题时叙利亚才会参加。柯林斯高阶〔substance〕Syria will attend only if the negotiations deal with issues of substance.只有谈判涉及重大问题, 叙利亚才会参加。外研社新世纪〔weight〕We shall succeed in this business only if everyone pulls his weight.只有我们每人都把自己的一份工作做好,这事才会成功。英汉大词典〔whistle stop〕A town or station at which a train stops only if signaled.小镇：火车只有见到信号才停的小镇或小车站美国传统A peace protester was conditionally discharged for twelve months (= allowed to go free only if they do not commit a crime again for this period of time).一和平抗议者被开释了，条件是12个月内不再犯罪。剑桥国际E-commerce will work only if it can offer users added value.电子商务只有为用户带来增值时才能发挥作用。牛津商务She'll go only if Pete goes/She'll only go if Pete goes/(slightly fml) Only if Pete goes will she go.除非彼特去，否则她决不去。剑桥国际They recognized that the country would revive only if it thoroughly disengaged from the chaos of the old regime.他们认识到只有彻底告别旧政权的无序状态，国家才能复兴。剑桥国际 |
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