Paraquinoid
对醌型
🗣️ 情景例句
That's easy.
那太容易了。
Please call me if you have any problems.
如果你有难题，就请打电话给我吧。
'My dog had taken in into the garden.He often does this!'
“我的狗把它弄到花园里去了，他常干这种事！”