Polyether sulphone (pes)
[化] 聚醚砜; 聚苯醚砜; 聚芳醚砜
🧩 词语组成解析
n. [化]聚醚,多醚
n. [化]砜
🗣️ 情景例句
You really have been working too hard.
你们确实太忙了。
Mr. Smith is still in his forties.
史密斯先生才四十几岁。
It's a clock.
一只钟。