Polyvinyl chloride acetate
[机] 聚氯乙烯一醋酸乙烯酯
🧩 词语组成解析
a. 聚乙烯基的
chloride
[['klɔ:raid]]
n. 氯化物\\n[化] 氯化物; 盐酸盐
n. 醋酸盐\\n[化] 醋酸盐(或酯、根)
🗣️ 情景例句
He just can't keep a steady job.
他就是不能安心地在一个地方工作。
That night we partied until dawn.
那晚我们痛饮到天亮。
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。