Polyethylenes
(polyethylene 的复数) n. 聚乙烯\\n[化] 聚乙烯
🗣️ 情景例句
I wouldn't be surprised if your son goes to harvard.
我觉得你儿子很有希望上哈佛。
I hople yu can do well in the examinationgs.
我希望你的考试能成功。
That's all. Any other questions?
就这些。还有什么问题吗？