Ackermann's angles
[医] 阿克曼氏角
🧩 词语组成解析
n. 角度（angle的复数）
🗣️ 情景例句
When you learn a new verb, learn its various forms.
学到了新动词时，记住它的各种形式。
What were you doing this time last year?
去年这时候你在干什么？
At the hotel.
在宾馆。