She made marvellous fish pie...她做的鱼饼味美可口。Warm weather has attracted the flat fish close to shore...煦暖的气候将比目鱼引到了近海。The aquarium has many tanks of fish.那家水族馆有许多装在水箱中的鱼类.The fishermen said the company's seismic survey ...
30 percent of reptiles, birds, and fish are currently threatened with extinction.目前，30%的爬行动物、鸟类和鱼类面临灭绝的危险。Butter, margarine, and oily fish are all good sources of vitamin D.黄油、人造黄油和多脂鱼都含有丰富的维生素D。Warm weather has attracte...
There are just four kinds: adenine, thymine, guanine and cytosine.只有4种: 腺嘌呤 、 胸腺嘧啶 、 鸟嘌呤和胞核嘧啶.The DNA base composition is 32.6 - 33.1 mol % guanine plus cytosine.DNA(脱氧核糖核酸)的G+C 摩尔百分含量为32.6—33.1.It is a layer of guanine ...
Dietary experts can advise on the ins and outs of dieting.饮食专家可以对日常饮食的方方面面提出建议。She has already lost around two stone through dieting.她通过节食已经减掉了大约两英石的体重。Dieting is a mug's game.傻瓜才节食。...