Cohydrol
石墨的胶态溶液
🗣️ 情景例句
I can't go along with you on that, I'm afraid.
恐怕在这一点上我不能认同你的廉洁。
No pain, no gain.
不劳则无获。
Hi, Sam. This is Mike. How are you?
喂，萨姆。我是迈克。你好吗？