大多数禾本科胚有一片瓣 状 结构通常称为外胚叶.Most grass embryos have a flap - like structure known as the epiblast.目的: 研究少汗性外胚叶发育不全引起先天缺牙的ED1基因突变.Objective : To detect ED 1 gene mutation in three hypohidrotic ectodermal dysplasia ( HED ) nuc...
The ship would lie there mirrored in a perfectly unmoving glossy sea.船会停靠在那里，映衬在一片波澜不兴的湛蓝海水之中。He stood, unmoving, in the shadows.他一动不动地站在阴暗处。You cannot hear me. I am static and unmoving.你听不到我的声音, 因为我是静止的....
Agave nectar comes from the same plant that tequila is made from.龙舌兰花蜜和龙舌兰酒都是来源于同一种植物.Agave nectar is one alternative that is used by health conscious consumers.龙舌兰花蜜是具有保健意识的消费者的选择之一.Mexican liquor made from fermented ju...
Carry a notepad and pen or pencil with you to jot down ideas.随身带有记事本和钢笔或铅笔以记下你的主意.Have a pencil and notepad ready.准备好铅笔和笔记本。His lunch did not take long to arrive and found him poring over a notepad covered with scrawls.不...