Tolylation
引入甲苯基
🗣️ 情景例句
Sheet--s-h-e-e-t.
Sheet s-h-e-e-t。
Sufficient for the day is the evil thereof.
一天的不幸已够人受的了，别再自寻烦恼。
but unfortunately not all of us are born handymen.
但不幸的是，我们并非人人都是能工巧匠。