用once造句

Once i nourished the entire human race .

过去，我曾经养育过整个人类。

Once he took the vow his loyalty never wavered .

他的忠诚从不动摇。

Once motion stops， hearing is impaired .

一旦动作停止，听觉就失灵。

I have relaxed some standards i once had .

我是从以前的立场后退了。

He realized at once what was happening .

他一眼就看清了当时的情况。

It is expedient that he should go away at once !

他最好还是立刻走掉。

Lighting fixture must be installed at once .

必须立即安装照明设备。

This illegal activity was once commonplace .

这种非法活动曾一度流行。

Mr. collins， i was once an alcoholic .

柯林斯先生，我过去是个酒鬼。

How would we cope once the money had gone ?

钱一用完，我们怎么办