Comparison tubes
[化] 比色管
🧩 词语组成解析
n. 管子, 导管；管状虫；伦敦地铁（tube的复数）
🗣️ 情景例句
He makes a good living.
他过得很优裕。
My sister has been engaged for two months.
我的姐姐订婚有2个月的时间了
You'd better go to bed earlier tonight, if you can.
如果可能，你今晚最好早点儿睡觉。