Serofluid
浆液
🗣️ 情景例句
Then think about the word in a sentence.
然后把这个词放到句子的环境中去。
Whatever is worth doing at all is worth doing well.
凡是值得做的事，就值得做好。
Come up these steps with me, please, and be careful.
请跟我走上这些台阶，请小心点。