Polyethylenes
(polyethylene 的复数) n. 聚乙烯\\n[化] 聚乙烯
🗣️ 情景例句
and how important it is for them to be paid attention to?
以及他们何等需要受人关怀吧？
Enough! Shut up!
别多嘴。
Little by little the eleven minutes fell to zero.
慢慢地从11分钟减到了零。