Hexylidene
亚己基
🗣️ 情景例句
Life has its ups and downs, but it certainly has its rewards.
人生有沉也有浮，但是无论怎样都确有其价值。
My father is over 60 years old.
我父亲已年过六十了。
Mrs.Brabante is talking to the manager of the local factory where the crop is processed.
布拉班特太太现在正和负责通心粉加工的当地加工厂的经理交谈。