Nitroethylene
硝基乙烯
🗣️ 情景例句
ready for the graduation ceremony,
为毕业典礼做准备，
A fair face may hide a foul heart.
人不可貌相。
When the dentist at last removed the cotton wool from my mouth,
当那位牙医最后将药棉从我嘴中取出时，