lecher的复数形式为：lechers...

spore的现在进行时为：sporing...

shrill的一般过去时为：shrilled...

n.异化分裂...

the expansion and contraction of the metal金属的膨胀与收缩Contraction of the timbers left gaps in the fence.木料收缩,结果围墙露出缝来.The forces of expansion are balanced by forces of contraction.扩张力和收缩力相互平衡....

n.含氰的...

measure的复数形式为：measures...

"How adorable!" she trills.“真可爱!”她尖声说。He is adorable for his devotion to science.他献身科学的精神令人敬佩。What an adorable child!多可爱的小孩呀！We have three adorable children.我们有3个可爱的孩子。The calves were really adorable.小牛犊真可爱。...

crash的一般过去时为：crashed...

gorge的第三人称单数（三单）为：gorges...

v.装饰( decorate的过去式和过去分词 )，点缀，粉刷，授予（某人）勋章...

[化] 抗丝虫药...

overdose的现在完成时为：overdosed...

n.穷凶极恶，弥天大罪，巨大，极大...

evaporates的音标：...

微量散射浊度计...

adj.渴望的，有抱负的，追求名誉或地位的n.有志向或渴望获得…的人，候补者，考生...

[人名] 比加特...

The Prime Minister has been briefed by her parliamentary aides.首相已听取了她议会助手的简要汇报。Then he added, " You know, Ike never briefed me about Vietnam. "接着他又说, “ 你知道, 艾克从未对我谈过越南问题. ”A Defense Department spokesman briefed reporter...

adj.无菌的...

n.生物年代学...

The teacher integrates himself with the students.这位教师能和学生打成一片.What integrates so easily into both organic and inert matter.不管是有机物还是惰性物质,水都能轻而易举地与之融合成一体.The theory integrates his research findings.该理论是他研究结果的综合....

disconcert的现在完成时为：disconcerted...

n.亡命徒，暴徒...

trick的音标：trick的英式发音音标为：[trɪk]trick的美式发音音标为：[trɪk]...

A bright shooting star, or meteor, is an unforgettable sight.明亮的流星，或者说陨石，是番难忘的景象。Like a flash of lightning, the meteor shot across the sky.流星像一道闪光划过天空.It was made by a meteor that fell from space.它是由流星从太空中坠落造成的....

乙菌定...

Different grades of crystal polystyrene molding pellets range from 150,000 to 350,000 weight average molecular weight.不同牌号的结晶聚苯乙烯模塑粒料平均分子量范围从150,000-350,000.What factors does he take into consideration in determining the...

factories的音标：...

meroquinene的音标：meroquinene的英式发音音标为：[merə'kwɪnɪn]meroquinene的美式发音音标为：[merə'kwɪnɪn]...