D是什么意思

D的音标：...

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。Milk, oily fish and egg all contain vitamin D.牛奶、油性鱼类和鸡蛋都含有维生素D.This special form of vitamin D is naturally present in breast milk....

We'd seen the storm brewing when we were out in the boat.我们在外面划船的时候就发现风暴将至。We never objected. We'd have been out on our ears looking for another job if we had.我们从未反对过，如果我们真的反对，早就被扫地出门，另谋高就了。He'd spent four...

tack的现在完成时为：tacked...

血单孢虫属...

outnumber的现在完成时为：outnumbered...

n.（支）气管切开术...

n.巴斯克衫...

He was apprenticed to a master silversmith.他跟银匠师傅拜师学艺.Silversmith old line does not?老银匠行不?The refined details of a silversmith are seductive but they are undercut an astringent clear - sighted questioning.在完善细节,银匠是诱人的,但它...

“铜版”的英语可以翻译为：[刷] copperplate ...

foremother的音标：foremother的英式发音音标为：['fɔ:ˌmʌðə]foremother的美式发音音标为：['foʊrˌmʌðə]...

Taylor leapt up to nod the ball home...泰勒跳起来头球破门。He gave me an approving nod.他向我点头表示同意。The Monsignor gave him a slow, expressionless nod.教士阁下毫无表情地朝他慢慢点了下头。The judges gave the nod to the winning challenger.裁判们对挑战者的胜利给予确认....

obsolescence的音标：obsolescence的英式发音音标为：[ˌɒbsə'lesns]obsolescence的美式发音音标为：[ˌɑbsə'lesns]...

We encouraged them to rehearse what they were going to say.我们鼓励他们默述一下他们要说的内容。Rehearse and role-play the interview with a friend beforehand.事先和朋友通过角色扮演排练一下面试。We were given only two weeks to rehearse.只给了我们两个星期排练。...

不变性指的是一致的部分.Invariance refers to areas of agreement.相对论涉及两个似乎对立的概念, 相对性和不变性.The theory of relativity is concerned with two seemingly opposite ideas, relativity and invariance.我们迟早要问:这个定律是否经得起相对论不变性的检验?Sooner or later we ...

Organisers may amend or append the terms and conditions without prior notification.主办单位有权修改参赛条规而不事先知会.After receiving notification, the assignor shall assist the assignee in removing any obstacles.让与人接到通知后, 应当协助受让人排除妨碍.N...

[体]吸引观众的表演者...

vibrate的现在进行时为：vibrating...