alkene是什么意思

A hydrocarbon was known to be either an alkene or alkane.某碳氢化合物已知可能是烯烃或是烷烃.The hydrocarbon must be an alkene.这个碳氢化合物必定是烯烃.The betaine will collapse to the alkene only when these two functions are eclipsed.只有当这两个基团移至重迭位置时...

The nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.亲核试剂包括烯烃 、 炔烃 、 醇 、 酸 、 胺 、 水等.The hydrocarbon must be an alkene.这个碳氢化合物必定是烯烃.A hydrocarbon was known to be either an alkene or alkane.某碳氢化合物已知可能是...

alkene的音标：alkene的英式发音音标为：['ælki:n]alkene的美式发音音标为：['ælˌkin]...

dam的现在进行时为：damming...

listens的音标：...

deadbeat的复数形式为：deadbeats...

This search is pursued by Woolf through extremes of exuberance and disgust.沃尔夫追求于热爱和憎恨两个极端之间.And Woolf , in a moment of panic , plants a desperate , passionate kiss on Vanessa's mouth.而Woolf的姐姐 VanessaBell (由Miranda...

barbecue的音标：barbecue的英式发音音标为：['bɑ:bɪkju:]barbecue的美式发音音标为：['bɑrbɪkju]...

His crumpling body bent low from years of carrying heavy loads.由于经年累月的负重,他那皱巴巴的身子被压得弯弯的.Christopher Columbus described Jamaica's terrain by crumpling a piece and tossing it on a table.克里斯托弗·哥伦布这样形容牙买加的地势:揉皱一块布,再扔到桌子...

One is firmly established by oneself.卓然自立.Consider only what by oneself is done or left undone.只要思考自己已做过的或还未做的事.One should learn to deal with one's problems by oneself.每个人应该学会自己独立解决问题....

Why not enjoy oneself while one could?何不得乐且乐 呢 ?You said one should enjoy oneself at the party!你说过,应该享受派对的乐趣.Does the person want how ability enjoy oneself?人要怎么才能过得快乐?...

vulgar的反义词有：cultured, refined, elegant, dainty, graceful, decent, artistic。adj.vulgar的反义词（粗俗的;下流的）：cultured, refined, elegant。vulgar的反义词（其他释义）：dainty, graceful, decent, artistic。...

hydrosulfite的音标：hydrosulfite的英式发音音标为：[ˌhaɪdrə'sʌlfaɪt]hydrosulfite的美式发音音标为：[ˌhaɪdrə'sʌlfaɪt]...

“下流槽”的英语可以翻译为：downtand ...

He loathes the sight of crabs.他看到蟹就恶心.He loathes this man, who only speaks civilities.他非常反感这个只会说场面话的男人.She loathes watching television.她不喜欢看电视....

birding的音标：birding的英式发音音标为：['bɜ:dɪŋ]birding的美式发音音标为：['bɜrdɪŋ]...

brigs的音标：...

Do you always have a bet on the Grand National?你总是对全国赛马大会下点注吗？The grand design of Europe's monetary union is already agreed.欧洲统一货币的宏伟构想已经获得认同。He was having a grand time meeting new sorts of people.结识形形色色的人让他很开心。...