The heavy traffic tinctures the air with carbon monoxide.繁忙的交通使空气里充满一氧化碳.Carbon monoxide is definitely capable of impairing cardiovascular function.一氧化碳确实能损害心血管机能.Objective To explore resistance to carbon monoxide poison...
The heavy traffic tinctures the air with carbon monoxide.繁忙的交通使空气里充满一氧化碳.The limit for carbon monoxide is 4.5 per cent of the exhaust gas.尾气中一氧化碳的排放限量为4.5%。Both nicotine and carbon monoxide inhaled with cigarette smoking...
我的背包太大了，行李架上放不下。My rucksack was too big for the luggage rack.回首过去，她觉得自己真不该放下背包不再徒步旅行。Looking back, she feels she should never have hung up her backpack.查利费力地将背包背到楼上自己的公寓里。Charlie humped his rucksack up the stairs to his ...