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
I told you. He'll use any excuse to avoid math.
我说嘛 ，他就是要找各种藉口来逃避数学。
Joe was really a rat.
乔是个十足的大骗子。
It seems that there is a big waste pipe coming down from the town. Do you see it, over there?
好象有一条很粗的废水管从镇上通到海里。您看见了吗？在那边？