河狸寻找造窝的场所时是很挑剔的.A beaver looking for a building site is very choosy.河狸还不仅仅会造窝.But beavers do more than build their houses.水獭啃倒树木,以便取食物并获得造窝的材料.The beaver chews down trees to get food and material with which to build its ...
地球是水与陆地合成的球体.The earth is a terraqueous globe.于是球体变成为椭球体.In this way the sphere is transformed into an ellipsoid.活跃的脂肪酶与圆球体的膜相结合.Active lipase is associated with the membrane of the spherosomes....
A patient will usually listen to the doctor'sadvice and act on it.患者通常都会遵照医嘱行事。Many people act on impulse without counting the cost.很多人不考虑后果就莽撞行事。Don't act on caprice. Study your problem.不要任性行事, 研究一下自己的问题....
Dihydroxyindole is an important intermediate of melanin, amino - acid, biogenic base and tryptamine.二羟基吲哚是黑素原的重要中间体, 也是一些氨基酸 、 生物碱、色胺的中间体.Fermentation is a biogenic process.发酵是一种生物化学反应过程.Therefore , one cannot ignore the...