Spear drill
[醫] 劍頭錐
?? 詞語組成解析
spear
[sp?r]
n. 矛;槍;（某些植物的）嫩枝;貌，標槍;
vt. 用矛刺;用魚叉捉;〈美俚〉得到，捕到;刺，戳;
adj. 父系的，右邊的;
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 happened to meet her on the bus.
我湊巧在公共汽車上碰見她。
A policeman pricks up his ears.
一個警察豎起耳朵在認真地聽著。
He has eight lawyer assistants to help him and examines every single letter in detail.
他有8位律師作他的助手協助工作，每封信都詳細批閱。