drill/drɪl/

n.

➊ a tool or machine with a pointed end for making holes

➋ a way of teaching sth by making people repeat the same thing many times

v. make a hole with a drill

n.

➊ [C] 钻机；钻头：an electric drill 电钻

◇a dentist's drill 牙钻

➋ [C; U] （反复的）训练，练习：a spelling/pronunciation/tense drill 拼写/发音/时态训练

v. [T; I] 钻（孔），打（洞）：Drill three holes in the wall. 在墙上钻3个孔。

◇[drill for sth] They're drilling for oil/water. 他们在钻井探油/水。

音组-ill/-ɪl/

bill; drill; fill; grill; hill; ill; kill; pill; skill; still; thrill; till; will

辨析drill; exercise; practice