Insteps
n. 脚背, 脚背形的东西( instep的复数形式 )
🗣️ 情景例句
I enjoyed lunch, Susan.
这顿午餐真好， Susan。
They fought for the sake of their country.
他们为国而战。
The man had connected the air-line to a supply line of oxygen, not compressed air.
这个工人把供气管接到了氧气供应管上，而不是接到压缩空气管上。