O.
[医] O型, 菌体型, 不动型(细菌)
✅ 同义词
🗣️ 情景例句
Learning foreigh languages should be fun.
学习外语应该是乐趣无穷的。
Have you seen the doctor?
你看过医生了吗？
It was noticed that there were no signs or warnings on the supply lines that ran round the port.
人们这才注意到，铺设在码头周围的供应管道上没有贴标签或告示。