🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
Look, the Kramers are showing off in their new convertible.
看，克来姆一家在炫耀他们的新敞蓬车。
The population of Africa is growing by leaps and bounds.
非洲的人口正在极其迅速地增长。
Yes, they are.
对，这些是英语书。