Observing tubes
[医] 观察管
🧩 词语组成解析
a. 注意观察的, 留心的, 观察力敏锐的
n. 管子, 导管；管状虫；伦敦地铁（tube的复数）
🗣️ 情景例句
At today's exercise class...
今天上健身课的时候……
He that doth most at once doth least.
想一次做完什么事，结果一件也做不完。
She was a famous actress When I was still at school.
当我还是学生时，她就是个著名的演员了。