The boss may look a bit fierce, but in fact he wouldn't say " boo " to a goose.老板可能看上去有点凶, 但实际上他不会吓唬人.APUD - like cells were found in the thymus of goose under transmission electron microscope.应用透射电镜在鹅胸腺内发现一种APUD( 样...
盐水比淡水的传导性强得多。Salt water is much more conductive than fresh water is.淡水和其他商品短缺。Fresh water and other commodities are in short supply.用蒸馏法从海水中提取淡水to distil fresh water from sea water...