Some acids are strong enough to burn the wood.有些酸的酸性强得可以烧坏木头.There are many amino acids that the body cannot synthesise itself.有许多种氨基酸人体自身不能合成.How do acids react on metals?酸对金属会起什么样的化学反应?...
猫看见那只狗时拱起了背.The cat arched her back when she saw the dog.猫看到狗,便把背拱起.The cat arches its back when It'sees the dog.那猫看见狗时就拱起了背。The cat arched its back when it saw the dog....
He was stuttering with rage.他气得说话也结结巴巴起来.He had to stop talking because if he'd kept on, the stuttering would have started.他不得不停止讲话，因为如果他继续讲的话，他的口吃就会发作。Stuttering almost uncontrollably , Billy rejects the idea.毕利结结巴...
She stumbled and fell, scraping her palms and knees.她绊了一下摔倒了，手掌和膝盖都蹭破了。The lights mysteriously failed, and we stumbled around in complete darkness.灯不知怎么地不亮了，我们在一片黑暗中跌跌撞撞地走着。A man stumbled heavily against the side of the ...
很多基本商品现在都要定量供给。能买到的东西越来越少。Many basic goods are now rationed. Less and less is available.需求快超过供给了。Demand is outstripping supply.该管道供给约旦15%的原油.The pipeline supplies Jordan with 15 per cent of its crude oil....