知识贝壳
知识贝壳
所属栏目：英语常用词详解
vt ① fasten; make firm 钉牢；使固定：The oil workers ～ed the post in the ground.石油工人在地面上打了桩。/The pupils ～ed the map on the wall.小学生把地图钉在墙上。/～ the lamp stand on the lathe 把灯座固定在车床上 ② direct or hold steadily(eyes, attentio ......（本文共 605 字 ） [阅读本文] >>