Floran
[医]氟化钠, ； 氟化亚锡
🗣️ 情景例句
It was nothing.
这不算什么。
A sow, when washed; returns to the muck.
江山易改，本性难移。
George was not too upset by his experience because the lady who owns the sweet shop heard about his troubles and rewarded him with large box of chocolates.
不过，此事并没使乔治过于伤心，因为糖果店老板娘听说了他遇到的麻烦后，赏给他一大盒巧克力。