Polyamine-methylene resin
[化] 聚亚甲胺树脂\\n[医] 聚胺甲烯树脂
🧩 词语组成解析
n. [化]聚胺,多胺
n. 亚甲基\\n[化] 亚甲基
resin
['rezin]
n. 树脂;合成树脂;松香;
vt. 用树脂处理;涂擦树脂于;
🗣️ 情景例句
We communicate with each other by letter.
我们用书信彼此联系。
He who has not tasted bitter knows not what sweet is.
不吃苦中苦，哪知甜中甜。
There are also other varieties that do not live in groups at all.
还有别的类型的蜂，它们全然不过群体生活。