Polymers
n. 聚合物；高分子（polymer的复数）
🗣️ 情景例句
The price for one person for a ten-day tour is only $ 1088, which includes round-trip airfare.
十日游每人只要1088美元。这个费用包括来回机票。
It's a few minutes after two.
两点过几分。
yet following her regular practice she had shut them before going out.
而她记得在出门买东西前，她按老规矩是把房门一一锁上的。