Pentazane
吡咯烷
🗣️ 情景例句
How old are you, Albert?
几岁啦， Albert？
You had better not bother him right now.
你现在最好不要去打扰他。
You will enjoy your stay here if you pay attention to our street signs.
如果您对我们街上的标牌稍加注意，您在此会过得很愉快的。