Phosphoarginine
磷酸精氨酸
🗣️ 情景例句
Is that tall or average or what?
这样尺寸是高呢， 还是普通， 或者算怎样？
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就变了，乌云密布并下起雨来。
I have some difficulty in pronouncing some of the words in English.
我有些英语单词发音不好。