下面这两个副词均含"……以前"的含义： ago ：指从现在起往前推算一段时间，始终置于所修饰的词之后，与一般过去时连用。 before ：或指从过去某一时间起向前推算的若干时间的以前，通常与过去完成时连用；或泛指以前，并不具体指若干时间以前，可使用现在完成的或过去时；还可指从将来某一时间起的若干时间以前。
Mechanization happened years ago on the farms of Islay.数年前，艾莱的农场就实现了机械化。Rationing had put an end to a surfeit of biscuits long ago.定量供应很久以前就结束了饼干过剩的状况。Their water was turned off weeks ago without explanation.他们的水在几周以前就毫无...
A hundred years ago coronary heart disease was virtually unknown in Europe and America.在100年前冠心病几乎不存在于欧洲和美洲。Cato , an influential Roman thinker, 000 years ago, praised its medical value.CatotheElder是两千年前一位古罗马很具影响力的思想家, 以...
A semiconductor diode array that is programmed by fusing or burning out diode junctions.一种半导体二极管阵列,通过熔断或烧断二极管的结来实现编程过程.These cells also proliferated and engrafted, forming new myofibers and fusing with injured fibers.这些细...
As Wren's epitaph famously declares, the cathedral itself is his monument.众所周知，雷恩的墓志铭中写道，大教堂本身就是他的纪念碑。He wanted these lines as his epitaph.他想把这些文字作为他的墓志铭.She wrote the perfect epitaph for the poet.她为诗人写了完美的悼辞....
The mapper trapped in the gap tapped the wrapper with strap.陷在缝中的制图者用皮带轻击书皮.All the shortcuts of plugins commands are customizable via the shortcut mapper.快捷键映射表中现在可以修改所有插件的快捷键.Cartographer is a simple, efficient object ...
The first British attempt to colonize Ireland was in the twelfth century.英国最早尝试在爱尔兰开拓殖民地是在12世纪。She is entitled to a twelfth of the cash.她有权获得这笔钱的1/12。December is the twelfth month of the year.12月是一年中的第12个月....
The Jovian moons Io and Europa are about the same size as Earth's moon.木卫一和木卫二大小几乎和地球一样.Lonely creeks are opal in the dawn, sword - blue in the sun, greyly silver under misty moons.人迹罕至的溪流在黎明的时候呈乳白色, 在阳光下呈剑蓝色, 而在朦胧的...