Sfhs
[医][=stroma-free hemoglobin solution]无基质血红蛋白溶液
🗣️ 情景例句
I should have saved some money.
我早该存些钱。
I'm sorry to have kept you waiting.
很抱歉，让你久等了。[分词作状语]
Little by little the eleven minutes fell to zero.
慢慢地从11分钟减到了零。