target: n.靶子,标的;目标;(嘲笑等的)对象;笑柄 (for); (储蓄,贸易等的)定额,指标;小羊的颈胸肉;【物理学】(X射线管中的)对阴极;【测】标杆,标板;【铁路】圆板信号机;〔古语〕小圆盾。 a target area 轰炸目标地区。 a target ship 靶舰。 a target buster 〔美俚〕打飞靶的人。 target practice 打靶,射击演习。
Target drilling sites include areas where the mantle has been brought closest to the surface by tectonic action or where the crust is relatively thin , such as the nankai trough off japan ' s pacific coast 钻探的目标包括了某些因板块运动而使地函接近地表的区域,或是地壳相对较薄的地方,例如日本太平洋海岸外的南海海槽。