Bitartronate
羟丙二酸氢盐
🗣️ 情景例句
He's so little ... so new.
他这么小……这么幼……
With time and patience the leaf of the mulberry becomes satin.
只要功夫深，铁杵磨成针。
Did you have a good journey?
你旅途愉快吗？