| 释义 |
DEFINITIVE EXAMPLES 权威例句〔button〕Informal The end of the chin, regarded as the point of impact for a punch.【非正式用语】 颏尖：下巴的下端，被当作拳击的攻击点美国传统〔impact〕The pilots had been in control right up to the point of impact.飞行员直到发生碰撞的那一刻都一直控制着局面。外研社新世纪〔laser sight〕A firearm sight that uses laser to indicate the point of impact.激光标定器：火器的瞄准器，使用激光来指示撞击点美国传统 |