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
Let me foot the bill tonight. Maybe you can treat me next time.
今晚让我付账吧，也许下次你请客。
We have a lot of invitation cards, but they are all for the same date.
我们接到了许多请帖，但是上面的日期却全都是同一天。
We haven't received your order yet.
您的订单我们还没收到。