Progastrin
前胃液素
🗣️ 情景例句
The gap between the poor and the rich seems to be growing every day.
贫富悬殊好像与日俱增。
With time and patience the leaf of the mulberry becomes satin.
只要功夫深，铁杵磨成针。
This letter's full of mistakes. I want you to type it again.
这封信里错误百出。我要你重打一遍。