Polyepihalohydrin
[化] 聚环氧氯丙烷
🗣️ 情景例句
Summer is vacation time.
夏季是度假的好时机。
I can paint.
我会画。
I do not want to make it a school for rich children only.
我不想把它办成专供有钱人家的儿童来上学的学校。