n.半乳糖体，多缩半乳糖...

adj.有益的，教育性的adv.有益地，有教益地n.教育，指导性...

electroluminor的音标：electroluminor的英式发音音标为：[elektrɒ'lu:maɪnə]electroluminor的美式发音音标为：[elektrɒ'lumaɪnə]...

ejection的复数形式为：ejections...

n.自尊，自尊心，自重，自爱，脸面...

Electives的音标：...

Coughs and sneezes spread infections much faster in a warm atmos-phere.在温暖的环境中，咳嗽和喷嚏传播疾病的速度要快得多。Infections are more likely in those suffering from malnutrition.营养不良的人更有可能被传染。Coughs and sneezes spread infections.咳嗽和打喷嚏会传播...

n.离析物...

adv.活跃地，积极地...

Dactylogyroidea的音标：...

Passengers for Hereford change at Severn Tunnel junction.前往Hereford的 旅客请在Severn隧道会合处换车.He was killed at a road junction by a van driver who went through a red light...他在交叉路口被一辆闯红灯的小货车撞死了。He knew how the traffic congested...

By contrast Mr McCain's initial reactions were frenetic and contradictory.相比之下,麦凯恩最初的反应是乱了阵脚,相互矛盾.He is notorious for making unexpected, often self-contradictory, comments.他发表的那些出人意料而且经常自相矛盾的评论令他臭名昭著。We are faced wi...

A born magpie, Mandy collects any object that catches her eye.曼迪天生喜欢收集小玩意，只要是她看上的都会收藏起来。She collects anything that has charm.她收集一切有特色的东西。David always collects Alistair from school on Wednesdays.戴维总是星期三去学校接阿利斯泰尔。...

金刚砂...

v.反驳，否认…的真实性( contradict的现在分词 )，与…发生矛盾，与…抵触...

characterizing的音标：...

v.排尿( micturate的过去式和过去分词 )...

Gold rimmed spectacles bit deep into the bridge of his nose.金边眼镜深深嵌入他的鼻梁。She took off her spectacles.她摘下了眼镜。The aurora is one of nature's most awesome spectacles.极光是自然界最可畏的奇观之一.People wear spectacles so that they ca...

antireflection的音标：antireflection的英式发音音标为：[ænti:rɪf'lekʃn]antireflection的美式发音音标为：[æntirɪf'lekʃn]...

Its radar equipment was powered by a nuclear reactor.其雷达装置由一核反应堆提供动力。They shut down the nuclear reactor for safety reasons.出于安全原因他们关闭了核反应堆。Emergency cooling systems could fail and a reactor meltdown could occur.紧急冷却系统有可能...

The TMI nuclear facility has two reactors.三哩岛核设施有两个反应堆.The earliest production reactors necessarily used normal uranium as fuel.最早为生产用的反应堆,必须使用普通铀作为燃料.In most reactors, there is a significant flux of fast neutrons.在大部分反应...

electuary的音标：electuary的英式发音音标为：[ɪ'lektjʊərɪ]electuary的美式发音音标为：[ɪ'lektʃʊˌerɪ]...

Exposure of unprotected skin to the sun carries the risk of developing skin cancer...皮肤没有采取任何防晒措施就在太阳下曝晒的话有得皮肤癌的危险。This leaves fertile soil unprotected and prone to erosion.这会让肥沃的土壤暴露在外，使其容易受到侵蚀。You are playing Russian r...

外口式的...

adv.组织党派地...

acetabulectomy的音标：acetabulectomy的英式发音音标为：[æsɪtæbju:'lektəmɪ]acetabulectomy的美式发音音标为：[æsɪtæbju'lektəmɪ]...

actualized的音标：...

全雕目...

alactasia的音标：alactasia的英式发音音标为：[ælæk'teɪzjə]alactasia的美式发音音标为：[ælæk'teɪzjə]...

v.回顾，回想( retrospect的现在分词 )...