Expanding drill
[化] 扩孔钻
🧩 词语组成解析
expanding
[iks'pændiŋ]
adj. 展开的，扩大的;
v. 使…变大( expand的现在分词 );扩大;伸展;伸开;
drill
[drɪl]
n. 操练;钻头;军事训练;（应对紧急情况的）演习;
vt.& vi. 钻（孔）;打（眼）;操练;训练;
vt. 作…演习，操练;
🗣️ 情景例句
should not be legally joined in marriage?
不该合法结婚的，
She sent me a Christmas card last year.
去年寄过一张圣诞卡。
Two men who recently spent five days on a coral island wished they had stayed there longer.
最近有两个人在一座珊瑚岛上呆了5天，他们真希望在那儿再多呆一些日子。