Egg-bore diseases are those which are transmitted from the infected dam to the newly hatched offspring by means of the fertile egg . 凡能从感染母鸡通过受精蛋传给所孵出后代的疾病,称为蛋媒疾病。
"all ready?" the captain asked the engineer, a portuguese half-caste, whose head and shoulders protruded from the small hatch . “准备好了吗?”船长问轮机手--一个葡萄牙混血儿,他从一个小舱口探出脑袋和肩膀。
Specifies a hatch that has the appearance of divots 指定具有草皮层外观的阴影。
Don ' t count your chickens before they hatch 不要在孵出小鸡前就去数鸡蛋的数量。
Dogs for heavy hinged doors on ships and for hatches 船用重型铰链门和舱口用卡栓
Securing devices for hatch covers of small ship ' s hatches 小型船舶舱口盖固定装置
It usually takes three weeks to hatch a hen ' s eggs 孵出小鸡通常要花三个星期。
Specifies a hatch that has the appearance of a trellis 指定具有格架外观的阴影。
Do not count your chickens before they are hatched 谚不要过早打如意算盘。
Evaluation of hatching heterodera schachtii juveniles 沙歇特异皮线虫幼虫孵化评定