S. o. s.
[医] 必要时
🧩 词语组成解析
[医] O型, 菌体型, 不动型(细菌)
🗣️ 情景例句
Mike and I had a hamburger this afternoon, and we talked.
今天下午 Mike和我一起吃汉堡， 一起讨论。
She made a notable contribution to science.
她对科学做出了杰出的贡献。
It is one of the most unpleasant discoveries which we all make that we must decline in this way,
人人必然会衰老。