| 单词 | 凸出部 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔bulge〕A protruding part; an outward curve or swelling.膨胀，肿胀：凸出部分；向外弯曲或膨胀美国传统〔cornea〕The transparent, convex, anterior portion of the outer fibrous coat of the eyeball that covers the iris and the pupil and is continuous with the sclera.角膜：眼球似纤维的外膜的前部透明凸出部分，它覆盖虹膜和瞳孔并与巩膜连接美国传统〔elbow〕The bony outer projection of this joint.肘关节骨：这个关节骨头向外的凸出部分美国传统〔hinge joint〕A joint, such as the elbow, in which a convex part of one bone fits into a concave part of another, allowing motion in only one plane.屈戌关节, 绞链关节：屈戌关节（如肘），一块骨的凸出部分与另一块骨的凹进部分吻合，可以允许在一个水平面中运动美国传统〔lobe〕Mount Hope Bay is a lobe of Narragansett Bay.芒特霍普湾是纳拉甘西特湾的一个圆形凸出部分。外研社新世纪〔lug〕A projecting part of a larger piece that helps to provide traction, as on a tire or the sole of a boot.突缘，凸出部：一件大物件上的突出部分，其有利于提供摩擦力，比如在轮胎上或鞋钉上美国传统〔tumbler〕A projecting piece on a revolving or rocking part in a mechanism that transmits motion to the part it engages.转臂：机械装置中转动或摇动部分上的凸出部分，用来把另一机体移到啮合部位美国传统 |
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