Around midday, the fog lifted and puffy cumulus clouds appeared across the sky.中午前后雾散了，满天出现了蓬松的积云。From his bed he could see the great cumulus clouds that hung in the blue sky.躺在床上,可以望见碧蓝的天空中飘浮着大块团状的积云.A polar landscape o...
Around midday, the fog lifted and puffy cumulus clouds appeared across the sky.中午前后雾散了，满天出现了蓬松的积云。A polar landscape of snowy hills, dramatic cumulus clouds and coastal glaciers.雪域丘陵 、 引人注目的积云和沿海冰川的极地景观.From his bed he co...
Among her friends, casual dress and a relaxed manner are the rule.她的朋友一般都衣着休闲，举止也轻松随意。Although exceptions could be made, the rule still stands.虽然可能有例外，但该规定仍然有效。You must obey the rule. It is useless for you to kick agains...
The titer of antiserum was detected by immunoelectrophoresis and double immunodiffusion.利用免疫电泳、向琼脂扩散试验分析和测定抗血清的效价.Detect the tetanus antiserum units of immunized animals by indirect hemagglutination assay.用间接血凝实验检测免疫动物血清...