Polyethylene glycol 4000
[医] 聚乙[烯]二醇4000(分子量约4000)
🧩 词语组成解析
n. 聚乙烯\\n[化] 聚乙烯
n. 乙二醇\\n[化] 二醇; 乙二醇
🗣️ 情景例句
How fresh are these vegetables?
这些蔬菜有多新鲜？
No gains without pains.
不劳无获。
There is no sky in June so blue that it does not point forward to a bluer,
六月蔚蓝的天空总使人遥想一个更加蔚蓝的苍穹；