O. b.
[医] 产科学
🧩 词语组成解析
[医] O型, 菌体型, 不动型(细菌)
🗣️ 情景例句
You're really good at that.
你做得真不错。
That's good wisdom which is wisdom in the end.
最后的聪明才算真聪明。
At the base of the gold cap, the words 'made in the U.S.A' had been nearly inscribed.
笔帽下方整齐地刻有“美国制造”字样。