Degradable polymer
[化] 降解性高分子
🧩 词语组成解析
a. 可降解的
🗣️ 情景例句
How nice it is here.
这儿真不错。
Boys will be boys.
孩子终归是孩子。
What a relief it was when the boulders suddenly disappeared, giving way to a stretch of plain where the only obstacles were clumps of bushes.
突然大石块不见了，前面是一片平地，唯一的障碍只有一簇簇灌木丛。这使我们长长地松了口气。