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...
An aerosol spray will make short work of painting awkward objects.用喷罐来喷涂，不好对付的物品也能轻松搞定。They sprayed aerosol insect repellent into the faces of police.他们将喷雾驱虫剂喷在了警察的脸上.When writing about aerosol one is continually invited...
9月到了,早晨已有了寒意.September is here, bringing with it a chill in the mornings.初春季节仍有寒意.It's spring but there's still a chill in the air.今天早晨的空气颇有寒意.There is quite a chill in the air this morning....
该行业的年轻从业者流动率较高。The industry has a high turnover of young people.许多从业者都采用浮动制计费。Many practitioners have a sliding scale of fees.成衣业的竞争极为激烈，其从业者要想站住脚，就要有许多关系。The rag trade is extremely competitive, and one needs plenty of c...