Veratrylidene
亞藜蘆基, 3,4-二甲氧苯亞甲基
??? 情景例句
Where are you going on your honeymoon?
你準備上哪度蜜月？
I'd like to explain what makes this factory special.
我要向你說明本工廠的特性。
Hello. 8906214.
喂，這是890621。