epoxides什么意思

Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl ) carbenes.某些苯代 ( 或多苯 ) 环氧乙烷是制取带苯环 ( 或二苯 ) 碳烯的极好原料.The epoxides were obtained with up to 90 % yields in the reaction sys...

epoxides的音标：epoxides的英式发音音标为：[e'pɒksaɪdz]epoxides的美式发音音标为：[e'pɒksaɪdz]...

school的第三人称单数（三单）为：schools...

mouthful的音标：mouthful的英式发音音标为：['maʊθfʊl]mouthful的美式发音音标为：['maʊθˌfʊl]...

above的近义词有：above, on, over。下面这些前置词均含"在……上"的含义：above ：一般指位置高于某物，但不一定在正上方，也不接触另一物，其反义词是below。on ：指与另一物表面相接触。over ：指一物在另一物的垂直上方，多暗示悬空，但也含"覆盖于……之上"之意。其反义词是under。...

n.渐次的，逐渐的，徐徐的...

一绺蓬松的黑发弯曲地挂在他的前额上.A lock of dark hair curled across his forehead.长期弯曲地啄几乎能触到他的胸部.Peck its long curved become almost touched his chest....

[医] 血管心[肌]的...

gorging的音标：...

hostelry的音标：hostelry的英式发音音标为：['hɒstəlri]hostelry的美式发音音标为：['hɑstəlri]...

...his final Prom performance of Elgar's First Symphony.逍遥音乐会上他的压轴曲目——埃尔加的《第一交响曲》Elgar received many honors and much acclaim and yet he often considered himself a failure...人们对埃尔加赞誉有加，但他却常觉得自己是个失败者。Elgar supplied hi...

n.外生的状态...

functionallization的音标：functionallization的英式发音音标为：[fʌŋkʃənlaɪ'zeɪʃn]functionallization的美式发音音标为：[fʌŋkʃənlaɪ'zeɪʃn]...

burro的复数形式为：burros...

“双重地”的英语可以翻译为：doubly ...

（钢板酸洗缺陷）灰斑...

模塑的...