Trimethylethylene
[医] 三甲基乙烯
🗣️ 情景例句
Let's see. Four desks.
我来看看。四张桌子。
May I ask you a question?
我可以问一个问题吗？
He gets into the lift, and goes up to the twelfth floor.
他进入电梯，然后升至第12层。