She is fascinated by algebra while he considers it meaningless nonsense.她对代数非常着迷，而他却认为代数毫无意义。His classmates were labouring with elementary algebra.他的同学们正在绞尽脑汁地演算初等代数题.The central notion in commutative algebra is that of ...
It's all part and parcel— just a day's work really you know.这只是一部分——才一天的工作，你要知道。Norma looked at the parcel and whistled softly through her teeth.诺尔玛看着包裹,轻柔地哼起了口哨.Has the parcel been cleared with the border poli...