Pentethide
五乙基化物
🗣️ 情景例句
Please, come in. Join us.
请进。跟我们一起吃吧。
God defend me from my friends; form my enemy I can defend myself.
防友靠天，防敌靠己。
Members of the press weren't allowed into the meeting.
新闻记者不得进入会场。