Dihydroriboflavin
二氫核黃素
??? 情景例句
The welcome sign is up:
歡迎的標語已經弄好了：
He that fears you present, will hate you absent.
當面怕你的人背后會恨你。
Only in a sparsely-populated rural community is it possible to disregard it.
只有在人口稀少的農村，才可以忽視準時的習慣。