Plumbane
烃基铅
🗣️ 情景例句
May I see your resume?
我可以看一下你的简历吗？
We have adopted much more flexible methods in our dealings.
我们在具体操作方法上灵活多了。
I shall never forget that extraordinary evening.
我永远忘记不了那个不平凡的夜晚。