Tetrabromobisphenol a
[建] 四溴-2,2-二对一酚甲
🗣️ 情景例句
There are several tours of the Grand Canyon.
到大峡谷有好几个旅游团。
Words pay no debts.
空言无补。
I'm sure I can do better than that.
我肯定会超过1分12秒的。