| 单词 |
crisscrossing |
| 释义 |
crisscrossing
criss·cross C0751400 (krĭs′krôs′, -krŏs′)v. criss·crossed, criss·cross·ing, criss·cross·es v.tr.1. To mark with crossing lines.2. To move back and forth through or over: crisscrossed the country on a speaking tour.v.intr. To move back and forth.n.1. A mark or pattern made of crossing lines.2. A state of being at conflicting or contrary purposes.adj. Crossing one another or marked by crossings.adv. In a manner or direction that crosses or is marked by crossings.
[Alteration of Middle English Cristcrosse, mark of a cross, short for Cristcross (me speed), may Christ's cross (give me success).]crisscrossing adj crossing over each other Crisscrossing
Crisscrossing in livestock raising, a special form of commercial crossbreeding to obtain highly productive animals. Crisscrossing has been known since the late 19th century. In Russia, the theoretical basis of the method was laid by E. A. Bogdanov, D. A. Kislovskii, and others. It consists of crossing two or more breeds and alternately mating the hybrid females over several generations with males of the original breeds. Crisscrossing is based on the phenomenon of heterosis in hybrids of not only the first but several succeeding generations. The most important prerequisite for successful crisscrossing is the scientific selection of well-matched breeds. Crisscrossing involving two breeds is called simple, and crisscrossing involving three or more breeds is called complex. Multiple-breed crisscrossing is most effective in swine breeding. Crisscrossing
A regional slang term for the practice of setting up a line of cocaine next to a line of heroin; the user places a straw in each nostril and snorts about half of each line; then the straws are crossed and the remaining lines are snortedThesaurusSeecrisscross |
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