查询词典 not ... until

Battista della Porta in 1589, but it was not until 1611 that Kepler compared a lens of glass to the lens in the eye and showed that rays from each point of an object were brought to a focus at each corresponding point of an image on the retina.?

要注意not until的用法。参考译文：1589年B？巴第思塔？德拉？波尔塔出版了有关透镜的打磨与磨光的书籍，但是直到1611年，凯朴乐才比较了玻璃透镜与人眼的水晶体，并发现来自物体各点的光线都能在视网膜成像上找到对应的点。

Not...until） They didn't go to the classroom until the bellrang.

另外，介词until"直到……为止"表示继续，而介词by"在……"表示终了。

Not...until）如: They didn't go to the classroom untilthe bellrang.

另外，介词until"直到……为止"表示继续，而介词by"在……以前"表示终了。

Sarah:OK,I'll do them right now. 18.Why not go by ship?It's cheap. 19.It took him two weeks to make the trip.(It takes sb some time to do sth) 20.ask sb to do/not to do sth 21.mistake...for/by mistake 22.The mutton was so delicious that they ate a lot of it.(so...that...) 23.They didn't come until it was time to begin the game.(not...until...) 24.You must go home as fast as you can. 25.My family is not as big as yours.not as/so...as

可以的，我等一下就去洗 18 为什么不坐船，坐船很便宜的 19 我花了两周时间来准备这次旅行 20 叫某人去做/不做什么事情 21 把什么弄错 22 羊肉十分好吃，他们吃了很多 23 直到游戏开始之前他们都没来 24 你必须尽快回家 25 我的家族规模没有你的大

Not...until）如: They didnt go to the classroom until the bellrang.

另外，介词until直到……为止表示继续，而介词by在……以前表示终了。

Some public officials declared they would not travel to Europe until Garuda was allowed to land there.

当主句是否定句时，它引出的意思是&直到才&，这时候常会出现&not until …&的结构，如果将&not until …&的结构放在句首，那么主句要写成倒装句。

It gives some of those excess savings a place to go — and in the process expands overall demand, and hence GDP. It does NOT crowd out private spending, at least not until the excess supply of savings has been sopped up, which is the same thing as saying not until the economy has escaped from the liquidity trap.

它给那些过剩储蓄一个去向-并在此过程中扩大了总需求，因此，国内生产总值，不排挤私人支出，至少直到储蓄供给过剩已饱和，就同样情况而言，直到经济已经摆脱了流动性陷阱。

It gives some of those excess savings a place to go — and in the process expands overall demand, and hence GDP. It does NOT crowd out private spending, at least not until the excess supply of savings has been sopped up, which is the same thing as saying not until the economy has escaped from the liquidity trap.

它给那些过剩储蓄一个去向-并在此过程中放大了总需求，所以，国内生产总值，不排挤私人支付，至少直到储蓄供应过剩已饱和，就同样情况而言，直到经济已经摆脱了流动性陷阱。

It gives some of those excess savings a place to go - and in the process expands overall demand, and hence GDP. It does NOT crowd out private spending, at least not until the excess supply of savings has been sopped up, which is the same thing as saying not until the economy has escaped from the liquidity trap.

它给那些过剩储蓄一个去向-并在此过程中扩大了总需求，因此，国内生产总值，不排挤私人支出，至少直到储蓄供应过剩已饱和，就同样情况而言，直到经济已经摆脱了流动性陷阱。

Jack didn't stop playing the computer games until his mum asked him to go to bed.

not…until 昨晚直到妈妈叫他去睡觉，杰克才停止玩电子游戏。

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。