换: 动词1.(给人东西同时从他那里取得别的东西) exchange; barter; trade 短语和例子用大米换布 exchange [barter] rice for cloth; 用鲜血换来的教训 a lesson paid for in blood; 那男孩用他的刀子换了一个板球棒。 the boy traded his knife for a cricket bat
Example Sentences:
1.
A cat moults and loses hair in hot weather . 猫在热天换毛和蜕皮。
2.
Labradors don ' t shed , do they 拉拉换毛吗？
3.
The grey hare had already half - changed its coat , the foxes cubs were beginning to leave their parents , and the young wolves were bigger than dogs . it was the best time of the year for the chase 灰兔的毛已经落了一半正在换毛，一窝窝的小狐狸也开始向四面八方走去，小豺狼已经长得比狗更大了。
4.
One small captive population of amur tigers ( panthera tigris altica ) , which had 14 - year captive history since its foundation in 1986 , was selected for such population genetic researches in this paper , which contained three experimental parts as : ( 1 ) dna extraction from shed hairs . three methods , which were chelex , ionic detergent and non - ionic detergent , were respectively used to digest the shed hairs of one amur tiger 本文利用chelex 、离子型和无离子型分解液三种方法对在东北虎( pantheratigrtsaltica )换毛期采集的自然脱落毛发进行了dna提取，并对部分毛发分解原液进行蛋白质沉淀，对于毛发分解残留物也进行了核细胞分解与蛋白质沉淀再处理，对上述提取产物进行rapd扩增。
