Diallyl
[计] 邻苯二甲酸\\n[化] 1,5-己二烯
🗣️ 情景例句
OK, everybody.
好啦 各位。
A wise man needs not blush for changing his purpose.
智者不耻于改变初衷。
Which one is cheap? Which one is dear?
哪一支便宜？哪一支贵？