?? 詞語組成解析
a. 掌上型;手持型
drill
[dr?l]
n. 操練;鉆頭;軍事訓練;(應對緊急情況的)演習;
vt.& vi. 鉆(孔);打(眼);操練;訓練;
vt. 作…演習,操練;
??? 情景例句
I understand
聽說,
What's the fare?
車費多少?
The doctor examined the soldier's wound carefully.
大夫仔細檢查了戰士的傷口。