Until then, front line troops will be supplied by airdrop.前线部队直到那时为止将一直靠空投来获取支援.Almost immediately the airdrop was detected and engaged.几乎很快地空投被检测并且从事.Marine: Its going to be hard to take it down, can you airdrop us anyt...
正割函数的倒数,称为余割函数。The value of the complement of the secant is called the cosecant.现在,让我们回到阶乘函数上来。Now, let's return to the factorial function.在非自主的系统中, f是t的显函数.In a nonautonomous system, f is explicitly a function of t...
He happened on the book in a secondhand bookstore.他在旧书店里偶然发现了这本书。He carried on a bookstore in the town.他在城里开了一家书店。Unable to find the book in this bookstore, he bought elsewhere.这家书店找不到此书, 他到别处买去了.I fell in with him at a ...