[ shū; shú ] Ⅰ名词 1.(叔父) father's younger brother; uncle 2.(称呼跟父亲辈分相同而年纪较小的男子) a form of address for a man slightly younger than one's father; uncle 短语和例子 王大叔 uncle wang3.(丈夫的弟弟) husband's younger brother 4.(姓氏) a surname 短语和例子 叔弓 shu gongⅡ数词 (在弟兄排行的次序里代表第三) (of brothers) third in order of birth
"certainly not," uncle chunfa said evenly . “当然不带，”春发叔淡然地答道。
2.
They were also asking sly questions at australia's . 对澳叔的情况他们也拐弯抹角打听。
3.
Isomeric alcohols, tertiary amines are less water soluble than their isomeric primary and secondary amines . 异构的醇，叔胺的水溶性比其异构的伯胺和仲胺小。
4.
Isomeric alcohols, tertiary amines are less water soluble than their isomeric primary and secondary amines . 异构的醇、叔胺的水溶性也比其异构的伯胺和仲胺小。
5.
Isomeric alcohols, tertiary amines are less water soluble than their isomeric primary and secondary amines . 异构的醇、叔胺的水溶性也比其异构的伯胺和伸胺小。
6.
Thus varying the nature of r from primary to secondary to tertiary alkyl results in increasing yields of the hydroxy ethers . 当R按伯、仲、叔烷的顺序递变，则所得羟基醚的产率就随之而增高。
7.
Many drugs and pesticides contain tertiary amino groups and could, therefore, be expected to undergo nitrosation in the body . 有很多的药物和农药含有叔胺基团，因此有可能在体内发生亚硝基化。
8.
Tertiary amines, although basic, fail to yield amides, presumably because they cannot lose a proton, (to stabilize the product)after attaching themselves to carbon or to sulfur . 叔胺虽然呈碱性，但不能产生酰胺，这大概是因为当它们连在碳或硫上之后，无法失去一个质子（以稳定产物）的缘故。
9.
You don ' t save your uncle ? i ' ll let you eat epsom salt 阿叔都不帮，给你点泻药
