-
以低含氢硅油 、 不饱和聚醚 、 一氯乙酸和二甲胺为原料, 制备得阳离子有机硅油.The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.双长链烷基甲基叔胺是脂肪醇和二甲胺催化胺化反应的主要 副产物.Dialkylmethylamines are the ...
2026年03月09日
-
一垒手 、 二垒手、三垒手和游击手则叫做内野手.The first, second and third basemen and shortstop are called infielders.防御二垒垒包附近的内野手.Second Baseman - The fielder who plays the infield near the second - base bag.三垒手:防御三垒垒包附近的内野手.Third Baseman - ...
2026年03月09日
-
“主文”的拼音为:zhǔ wén...
2026年03月09日
-
n.乙醛酶...
2026年03月09日
-
The pill is the most efficient method of birth control.服用避孕药是最有效的避孕方法。She had been on the pill for three years.她吃口服避孕药已有3年。It was at that time she started taking the contraceptive pill.她就是从那个时候开始服用避孕药的。...
2026年03月09日
-
metamorphose的音标:metamorphose的英式发音音标为:[ˌmetə'mɔ:fəʊz]metamorphose的美式发音音标为:[ˌmetə'mɔrfoʊz]...
2026年03月09日
-
“短暂”的反义词:长久, 悠久, 持久, 漫长, 良久。...
2026年03月09日
-
teacup的音标:teacup的英式发音音标为:['ti:kʌp]teacup的美式发音音标为:['tiˌkʌp]...
2026年03月09日
-
I was close by as Lester was stretchered into the ambulance.莱斯特被用担架抬进救护车时我就在旁边。A few cars passed close by me.几辆车贴着我开过去。Did a new hairdressing shop open close by?附近是不是新开了一家理发店?...
2026年03月09日
-
“平均的”的英语可以翻译为:average,even,mean,medial ...
2026年03月09日
-
...cream silk stockings.米色丝袜The salesman sorted his new consignment of stockings.推销员把新到的一批长袜清理分类.Her stockings wrinkled at the ankles...她的长筒袜在脚踝处起了褶儿。...wrinkly cotton and wool stockings.起了褶子的棉毛长筒袜She wears a pair of she...
2026年03月09日
-
Having the right equipment at hand will be enormously helpful.手头上有合适的设备将会帮上大忙。Somewhere close at hand a train rattled by.一辆火车从我的身边轰隆隆地开过。When he writes , he always keeps a dictionary at hand.他写作时手边总备有一本词典....
2026年03月09日
-
He vowed to avenge martyrs.他发誓要为烈士报仇.He lies at rest in the Martyrs'Cemetery .他在 烈士陵园 安息着.It falls to our generation to fulfill the great aspirations cherished by countless martyrs in the past.过去无数先烈的远大抱负,要我们这一代去实现。...
2026年03月09日
-
“末端”的拼音为:mò duān...
2026年03月09日
-
flickers的音标:...
2026年03月09日