Yeast is a single - celled organism complex to study for initial screening purposes.选择酵母是因为酵母是单细胞生物,便于研究.Fully understanding its harmfulness, one adopt preventive measurment to prevent organism invasion.充分了解其危害, 采取防范措施,防...
The amoeba is a very simple organism.变形虫是很简单的生物体.It was an infectious organism that he studied.他研究的是一种可传染病菌的微生物.Genetic engineers transpose or exchange bits of hereditary material from one organism to the next.遗传工程师将某一生物...
This material is variously termed ash, clinker, cinders or slag.这种材料有不同的名称,如灰 、 炉渣 、 煤渣或矿渣.The higher operating costs can be offset against the cement clinker.较高的费用能够靠水泥熟料得到弥补.In 1947 the furnace was lined with clinker s...
她那时正坐在5楼的窗前织东西。She had been sitting with her knitting at her fourth-floor window.战争期间，琼帮妈妈给战士们织围巾。During the war, Joan helped her mother knit scarves for soldiers.这件女式睡衣的袖孔和领口都镶着一圈手织花边。The nightdress has handmade lace ro...
He found the transition to boarding school excruciatingly painful.他发现转到寄宿学校极其痛苦。The dialogue is excruciatingly embarrassing.对话十分难堪，让人不堪忍受。The ball hit him excruciatingly in the most sensitive part of his anatomy.球打在他身体最敏...