“环戊烯”的英语？

报道了在低温条件下, 以邻二酮和α-环烯酮为原料与炔钠反应,合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-环戊醇、1, 2 - 二苯基 -2 - 羟基 -3 - 丁炔 -1 - 酮、3, 4 - 二苯基 -1,5-己二炔-3,4 - 二醇和3,4 - 二苯基 -3 - 环戊烯 -1 -酮4种化合物.In low temperature, reaction of ketone with sodium acetylide synthe...

spree的复数形式为：sprees...

Evidently no lessons have been learnt or else the government would not have handled the problem so sloppily.政府显然没有吸取教训，不然不会把问题处理得那么草率。I must enroll the children for piano lessons before next week.我必须在本周内给孩子们报名学钢琴课.This l...

干旱和半干旱的沙漠arid and semi-arid deserts干旱的荒芜地区a waterless barren region阳光无情地照射在干旱的大地上.The sun beat down mercilessly on the dry earth....

grotto的复数形式为：grottoes...

n.甲基苯基苯并呋喃乙酸...

n.纯毛织品，贼鸥...

headdresses的音标：...

“贱民”的拼音为：jiàn mín...

v.咬，叮( bite的过去分词 )，刺痛，有咬（或叮）的习性，（人）上当...

He obliterates her signature.他擦掉了她的签名.A curtain is too heavy, too thick, and it obliterates every texture save its own.但是帏幕太沉重, 太厚密了, 它抹去了一切纹理,只除了它自己的....

v.搜索( range的过去式和过去分词 )，变化，延伸，漫游...

The two girls quarreled, but they soon made it up.这两个女孩子吵了一架, 但很快就和好了.These men have quarreled over the price of a load of hay.这帮人为了一车干草的价钱争吵不休.It was very sad when husbands and wives quarreled with each other.夫妻间争吵是很不幸的...

outlet的音标：outlet的英式发音音标为：['aʊtlet]outlet的美式发音音标为：['aʊtˌlɛt, -lɪt]...

骑手想松开那匹马时，它乱踢乱蹬。As its rider tried to free it, the horse kicked out.女骑手摔在地上,马朝她的头上乱踢.The horse kicked its fallen horsewoman about the head.那马将骑马者摔在地上,乱踢他.The horse threw its rider to the ground and savaged him....

Renshaw的音标：...