Pentethide
五乙基化物
🗣️ 情景例句
I hope this will lead to further business between us.
我希望这次交易将使我们之间的贸易能得到进一步发展。
He that is angry is seldom at ease.
怒者寡宁。
We're going to play football.
我们打算踢足球。