Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl butyrate was synthesized by using gallium sulfate supported on silica gel as the catalyst.以自制的硅胶固载硫酸镓为催化剂,正丁酸和...

butorphanol的音标：butorphanol的英式发音音标为：[bju:'tɔ:fənəl]butorphanol的美式发音音标为：[bju'tɔfənəl]...

Half fell on the buttered side, and half didn't.一半是涂黄油的一面朝下, 另一半不是.Mrs. Madrigal buttered another piece of toast...马德里加尔夫人给另一片烤面包涂上了黄油。The button utters in mutter, "The butterfly likes the buttered peanut."按钮咕哝着发出声音...

dibutene的音标：dibutene的英式发音音标为：[daɪ'bju:ti:n]dibutene的美式发音音标为：[daɪ'bjutin]...

buts的音标：...

n.屠场，肉贩...

n.丁酮...

butcheries的音标：...

去草胺...

...buttery new potatoes.抹过黄油的嫩土豆Parasites. Not quite the right association for purveyors of $ 1 buttery - soft leather handbags and expensive shoes.寄生族. 这一人群似乎和那些1,000美元软皮革手包和昂贵鞋子的时尚品牌没什么关系.They'll be fattened for t...

n.脱丁烷（作用）...

He is still the butt of cruel jokes about his humble origins.他仍然因出身低微而被人无情嘲笑。He stamped his butt on the floor.他在地板上踩灭了他的烟蒂。Yeah, well, maybe you need to do a few more butt flexes.是吗?可能你是需要做更多的臀部运动吧.Your left hand should ...

丁巴比妥...

One edge of the garden abutted on an old entrance to the mine...花园的一侧紧靠着矿井的旧入口。One edge of the garden abutted on an old entrance to the mine.花园的一侧紧靠着矿井的旧入口。The sidewalk abutted on the river.人行道紧挨着河川.Their house abutted a...

buttonhook的音标：buttonhook的英式发音音标为：['bʌtnhʊk]buttonhook的美式发音音标为：['bʌtnhʊk]...

n.紫铆因...

播土隆除草剂...

butazolidine的音标：butazolidine的英式发音音标为：[bju:təzə'laɪdɪn]butazolidine的美式发音音标为：[bjutəzə'laɪdɪn]...

isobutyropyrrothine的音标：isobutyropyrrothine的英式发音音标为：[aɪsəʊbʌtaɪərə'pɪrəθɪn]isobutyropyrrothine的美式发音音标为：[aɪsoʊbʌtaɪərə'pɪrəθɪn]...

"This", huffed Mr Buthelezi, "was discrimination."“这个，”布特莱齐先生气愤地说，“是歧视。”...

n.孤立的丘...

熊果酚甙，熊果苷...

There was a tributary road near the end of the village.村的尽头有条岔道.The Missouri River is the chief tributary of the Mississippi.密苏里河是密西西比河的主要支流.Several rivers are tributary to the Ganges.有好几条河都是恒河的支流....

butopamine的音标：butopamine的英式发音音标为：[bju:təʊ'pæmi:n]butopamine的美式发音音标为：[bjutoʊ'pæmin]...

butyric的音标：butyric的英式发音音标为：[bju:'tɪrɪk]butyric的美式发音音标为：[bju'tɪrɪk]...

But for you, they might have given us the slip.要不是你，我们可能已经被他们甩掉了。He tried to speak, but for once, his voice had left him.他想说话，却一时语塞。But for me television is an escape.但是对我而言，看电视是一种逃避的方法。...

v.切开摊平（butterfly的过去式与过去分词形式）...

maytanbutacine的音标：maytanbutacine的英式发音音标为：['meɪtənbjʊtəsɪn]maytanbutacine的美式发音音标为：['meɪtənbjʊtəsɪn]...

v.分配( distribute的现在分词 )，散发，分销，[常用被动语态]将…分类(into)...

丁酰...