Soilbrom
二溴乙烷
🗣️ 情景例句
I was deeply impressed by his speech.
他的演讲给我留下深刻的印象。
I will be very glad when I receive the letter.
如能接到你的来信，我将会非常高兴。
Nice to see you, too, Steven.Goodbye.
我见到你也很高兴，史蒂文。再见。