Leukoriboflavin
无色核黄素
🗣️ 情景例句
And my phone number is 797-7963.
我的电话是797-7963。
There is much to be said on both sides.
公说公有理，婆说婆有理。
Is there any chance that we can substitute this for you?
这个可不可能使用代替品呢？