Drills
n. 操練；斜紋布；鉆頭（drill的復數）
??? 情景例句
A lot of people would like my help.
許多人要我幫助。
This is my fourth year of college, I'm a senior.
這是我上大學的第四年，我是四年級學生。
It's odd that they didn't reply our letter.
他們沒有給我們回信，這真奇怪。