Insoluble residue
[化] 不溶残渣
🧩 词语组成解析
insoluble
[in'sɔljubl]
adj. 不能解决的，不溶的;
🗣️ 情景例句
The girl always wears a happy smile.
这女孩随时都面带快乐的微笑。
As requested, we now hold this offer open for a further 5 days since 24th April.
按你方要求，我方报价有效期延长5日，从4月24日起。
Sam was sure that the wallet must have been found by one of the villagers, but it was not returned to him.
萨姆确信那钱包一定是被某个村民捡到了，可是却不见有人来送还给他。