Poly(p-hydroxybenzoic acid)
[化] 聚对羟基苯酸; 聚对羟基苯甲酸
🗣️ 情景例句
I'm off today.
我今天休假。
I'm pleased to hear about your wife having a baby.
我很荣幸得知你太太生了一个小宝宝。
Not to grasp firmly is not to grasp at all.
抓而不紧等于不抓。