To map 100 mutants by this method would necessitate nearly 5,000 crosses.用这种方法来绘制100个突变型的遗传图就要做5000个杂交.Earth crosses the orbit of Halley's Comet annually in October.地球和哈雷彗星的轨道将于每年的十月份交叉.All the morning wreaths and c...
Berg tilts his head and a mischievous look crosses his face.伯格侧着头，脸上掠过一丝调皮的神情。It is near where the pilgrimage route crosses the road to Quimper.那儿离朝圣之路与通往坎佩尔的道路的交叉路口很近。Crosses were etched into the walls.墙壁上刻着十字架。...
Very slow - grown softwoods have excellent workability.生长非常慢的针叶材有着特别好的加工性能.There are two main kinds of timber trees - softwoods and hardwoods.用材树种有两大类 -- 软木材与硬木材....
...depriving mothers of the guardianship of their children.剥夺母亲对孩子的监护权Cow pats would litter pastures, making grass inedible to cattle and depriving the soil of sunlight.牛粪在草场上随处可见, 使得牛群吃不到草,也使土壤得不到阳光的照射.Are you depriving...
总统称并不打算部署地面部队。The president said he had no intention of deploying ground troops.来自首都洛美的报道称，部队驻扎在大街上。Reports from the capital, Lome, say troops are stationed on the streets.加勒比海地区的英国部队有大批的人病死。British forces in the Caribbe...
Provide graphic depictions of the disastrous consequences of smoking and secondhand smoke.提供描绘吸烟和吸二手烟带来的灾难性后果的图像.Do you know where I can get hold of a secondhand carpet cleaner?你知道我在哪里可以弄到旧的地毯吸尘器吗?I bought a secondhand c...