v.换回( exchange的过去式和过去分词 )，交换，替换，进行易货贸易，作物物交换，[金融业]（货币）交换，兑换...

Synthesis and Function Studies on New Porphyrin Lanthanide Liquid Crystals Compounds.红光发射材料卟啉化合物的合成及其电致发光性能的研究.Lanthanide ions were incorporated through the sol - gel process.在溶胶 - 凝胶过程中引入稀土离子来制备发光材料.The promotion effect...

cleiophane的音标：cleiophane的英式发音音标为：[k'lɪaɪəfeɪn]cleiophane的美式发音音标为：[k'lɪaɪəfeɪn]...

She was still quietly simmering from her row with Nathan.在和内森争吵之后她心里还窝着火.He KO'd Nathan Mann in the third round.他在第3回合将内森·曼打晕了过去。This enraged Nathan Rothschild so much that he , almost single handedly fomented the W...

deckhands的音标：...

It has increased to such an extent that Ghana can now export maize.玉米产量增长得如此迅速，现在加纳已经可以出口玉米了。Ghana's main export is cocoa.加纳的主要出口商品是可可豆。Michael Essien, Chelsea's Ghana international, has recently spoke of Adu&#...

hand的一般过去时为：handed...

醋代萘烷...

aceperinaphthane的音标：aceperinaphthane的英式发音音标为：[eɪsepərɪ'næfθæn]aceperinaphthane的美式发音音标为：[eɪsepərɪ'næfθæn]...

Circumstances dictated that they played a defensive rather than attacking game.比赛形势决定了他们要打防守战而不是进攻战。The effect is soft and pretty rather than drop-dead sexy.给人的印象是柔和俏丽而不是吸人眼球的性感。Really it's a workmanlike conference ...

chanting的音标：chanting的英式发音音标为：['tʃɑ:ntɪŋ]chanting的美式发音音标为：['tʃɑntɪŋ]...

Right now we are in the changeover period between autumn and winter.眼下，我们正处于秋冬交替的时候。He again called for a faster changeover to a market economy.他再次呼吁加快向市场经济过渡。the changeover from a manual to a computerized system由手工操作向计算...

channelize的现在完成时为：channelized...

v.给予帮助，助以一臂...

狄森...

fenchanone的音标：fenchanone的英式发音音标为：['fenkənəʊn]fenchanone的美式发音音标为：['fenkənoʊn]...

I want to quit this shanty.我也要离开这烂房子.a shanty town贫民窟She looked doubtfully at him, at the low shanty.她犹豫不定地看着他, 看着那间矮棚屋.Pop music can be heard 10 miles away blasting out from the huge tented shanty-town.响亮的流行音乐从10英里之外巨大的...

handsome的音标：handsome的英式发音音标为：['hænsəm]handsome的美式发音音标为：['hænsəm]...

n.衣架，挂钩，挂东西的人，绞刑执行者...

adj.清廉的...

换上衣服，（使）变为...

[人名] 莱森...

n.宿醉（酒后醒来的头痛和不舒服），遗留的感觉（或风俗、习惯等），后遗症，残余物...

hangout的音标：hangout的英式发音音标为：['hæŋaʊt]hangout的美式发音音标为：['hæŋˌaʊt]...

mechanize的现在进行时为：mechanizing...

手推剪草机，手推割草机...

唑酮头孢菌素钠...

n.酒神祭司，酒神追随者，狂饮作乐者adj.酒神的，酒神似的，酒神节的，狂欢作乐的...

elephant的音标：elephant的英式发音音标为：['elɪfənt]elephant的美式发音音标为：['ɛləfənt]...

n.手铐，思想上的桎梏vt.给…戴上手铐，限制...