Trichlene
三氯乙烯
🗣️ 情景例句
A red sky at night indicates fine weather the following day.
晚上天边红预示着明早天气好。
The college was established in 1940.
该学院建立于1940年。
I'd like two sweaters for my daughters.
我想给女儿买两件毛衣。