Anthryl
[化] 蒽基(有3种异构体)
🗣️ 情景例句
A kind of a fifty-year anniversary reunion.
等于是五十周年重逢聚会。
Reading is to the mind what exercise is to the body.
读书养神，锻链健身。
Walking up and down the stairs would beat any exercise machine.
上下楼梯可比什么健身器都要好。