Pentamers
(pentamer 的復(fù)數(shù)) n.[化]五聚物, 五節(jié)聚化物
??? 情景例句
Where can I put the coin?
硬幣要放在哪兒？
It won't fit; you'll have to go to the post office.
那不行，你必須去郵局才行。
Excuse me. What's the time, please?
對不起，請問幾點了？