Definite ducts
[医] 直乳管
🧩 词语组成解析
n. 通风管道；管道（duct的复数）
🗣️ 情景例句
Nice to meet you, Alexandra.
很高兴见到你， Alexandra。
The chemist is testing enzymes.
化学家在试验着酶。
I doubt if he'll be asked to speak again next year.
我怀疑明年是否还会邀请他作报告。