词仍有以下一些差异：1.though可引出倒装语序的让步状语从句，although 则不能。2.though可与even连用，although则不能；在as though结构中，只用though，不能用although。3.though可以置于从句末，而although则不能。4.引出省略句时，通常用though。
词The frontiers of medical knowledge are being pushed farther outwards as time goes on.
医学知识的新领域正随着时间的推移而向前推进。
……
The frontiers of medical knowledge are being pushed farther outwards as time goes on.
医学知识的新领域正随着时间的推移而向前推进。
Two Virginia delegates -- George Wythe and John Blair -- came early, as requested.
弗吉尼亚州的两名代表——乔治·怀斯和约翰·布莱尔——按照麦迪逊的要求提前到场。
She became as rigid as adamant .
她变得如顽石般的固执。
She blushed as red as a rose.
她脸红得像朵玫瑰花。
We offer accounting as a subsidiary course.
我们开设会计课，作为副修课程。
The director cast me as a scientist.
导演选派我扮演科学家。
The raiders disguised themselves as security guards.
袭击者都装扮成了保安人员。
He dismissed the story as a rumour.
他把这
消息当做谣而不予考虑。
I saw it as clearly as anything.
我看得一清二楚。
She was cooking fish as a treat.
她正在煮鱼来款待客人。
She dabbles in painting as a hobby.
她学点绘画作为业余爱好。
His colleagues regard him as a joke.
他的同事们把他当作取笑的对象。
The critics condemned the play as mediocre.
评论家谴责那出戏为低劣产物。
She questioned his integrity as a councillor.
她质疑他作为市议员的诚信度。
We employ her as an English interpreter.
我们雇用她作英语翻译。
They performed another two songs as encores.
应观众要求，他们又返场加唱了两首歌。
He wanted these lines as his epitaph.
他
把这些文字作为他的墓志铭。
Experience is equally as valuable as theory.
经验与理论有同样的价值。
Be as quick as ever you can!
尽量快些!
Ruth was as agile as a monkey.
鲁思像猴子一样敏捷。
声明：以上例句、词性分类均由互
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