Back passage
n. 直肠
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
🗣️ 情景例句
He is a college drop-out.
他从大学辍学半途而废。
How many feet are you going to use?
你要用几英尺？
That is scheduled for shipment the day after tomorrow.
预定后天就可装船了。