Obakulactone
黄柏内酯
🗣️ 情景例句
Change the light bulb, it's burnt out.
换一个灯泡吧，它烧坏了。
Button holes are very hard to sew.
要缝钮扣洞非常难。
We've got to do something about the neighbor's dog!
我们得对邻居的狗采取点行动了！