Helicobacter
螺杆菌
🗣️ 情景例句
She's off today.
她今天休假。
You haven't been around much lately,have you?
你近来不大出来走动了，是吧？
They were all hungry and the food smelled good.
他们全都饿了，饭菜散发出阵阵香味。