Ducts
n. 通风管道；管道（duct的复数）
🗣️ 情景例句
Enjoy it.
请享用。
A beggar's purse is bottomless.
乞丐的钱袋是无底洞。
on applied psychology, and on the capacity of a man to get along with his fellow-citizens.
实用心理学和与同伴相处的能力。