Perinaphthenone
[化] 周萘酮; 萘嵌苯酮
🗣️ 情景例句
By plane?
坐飞机来？
If I wanted to rent a van, how much would it cost?
要是我租一辆搬运车，得花多少钱？
If I work in the garden, I have to sit down and rest every five minutes.
如果我在花园里干活，每5分钟就得坐下来休息。