Methide
甲基化物
🗣️ 情景例句
Thank you.
谢谢。
Love is never without jealousy.
爱情莫不忌妒。
It was a Sunday in May. My brother and I had decided to go off for a long walk while we were staying with my grandparents in the French countryside.
5月的一个星期天，我和弟弟决定去远足。当时我们住在法国乡下的祖父母家中。