滑雪者在选择购买保险的问题上应该尤其慎重。Skiers should be particularly choosy about the insurance policy they buy.经过慎重考虑，我决定结束我的婚姻。After much thought I decided to end my marriage.但要慎重：这个选择代价不菲。But be warned: this is not a cheap option....
The meltwater puddled the flat sea ice.融化的冰水在平坦冰冻的海面上形成水坑.Caption: Meltwater lakes and streams on the surface of an ice - east of Jakobshavns glacier, Greenland.描述: 格陵兰雅各布冰川东南冰盖表面的融水湖和融水河.冰盖位于陆地, 但是,如果冰盖融化,海平面就会升高.Warmer...
They spend an unreasonable amount of money on clothes.他们花在衣服上的钱太多了。He became moody and unreasonable, flailing out at Katherine at the slightest excuse.他变得喜怒无常、不可理喻，为点鸡毛蒜皮的小事就殴打凯瑟琳。...unreasonable increases in the price o...
The infra - red spectra of quinones present a number of interesting features.醌类的红外光谱具有一些有趣的性质.Ethylene and trans - dichloroethylene are both inactive in the infra - red in this region.乙烯和反式二氯乙烯在红外光谱的这个区域都无活性.Infra - red ...