Dihydroxy-
二羟基
🗣️ 情景例句
Come on.
过来。
There's no sense in going by boat when the plane is just as cheap and much quicker.
既然乘飞机和坐船一样便宜而且还快得多，那么就没有理由去坐船。
decided to take some presents to a children's hospital.
盖茨决定送些礼物给儿童医院。