渡船是苏格兰边远地区的生命线。Ferries are a lifeline to the far-flung corners of Scotland.煤炭和钢铁曾是这个地区的生命线。Coal and steel were the region's lifeblood.额外补助对大多数单身母亲来说都是赖以生存的生命线。The extra payments are a lifeline for most single mother...
Blake held his handkerchief over the mouthpiece to muffle his voice.布莱克把手绢包在话筒上，以使自己的声音听起来模糊不清。He tried to muffle the alarm clock by putting it under his pillow.他把闹钟塞在枕头底下，想减低声音。I put my hand over my mouth to muffle my w...
非 疫源地内未发现抗体阳性者.And the antibodies were not detected in healthy population of non - epidemic area.结论:长白山区是莱姆病重要疫源地,人群中有莱姆病感染存在,并有莱姆病发生.There are infections of Lyme disease among the mountain residents in Changbaishan.高原生物...