🧩 词语组成解析
hack
[hæk]
vt.& vi. 乱劈,乱砍;开垦;出租马车;
n. 劈,砍;干咳;乘用马;
🗣️ 情景例句
Do you live on or off campus?
你住在校内还是校外?
The industrial area is centered largely in the north.
大部分工业区域集中在北方。
a wave length (the horizontal distance between two wave crests),
波长(两个浪峰间的水平距离)