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- Because RNA is chemically unstable,the scientists converted the RNA sequence to DNA, replacing every uracil base with a thymine. 氨基酸顶多只能是生命中有功能的最小的单位.
- The tuck slowly ploughed through the mud. 车在泥泞中吃力地缓慢行驶。
- A passing car splashed mud on my new trousers. 路过的一辆车把泥水溅到我的新裤子上了。
- The mud was soft and our feet sank in. 泥很软，我们的脚都陷进去了。
- The truck bespattered my clothes with mud. 卡车溅得我满身衣服都是泥浆。
- The heavy wheels churned the earth into mud. 笨重的车轮将大地碾成了泥浆。
- She combed the mud out of the dog's fur. 她梳去狗的皮毛中的泥土。
- Her clothes were bespattered with mud. 她的衣服溅上了泥污。
- The price of gasoline is unstable. 汽油价不稳定。
- As the bus passed, it spattered mud on my clothes. 公共汽车开过时溅了我一身泥。
- He removed the mud from his shoes. 他去掉鞋上的泥。
- The channel of the river filled up with mud. 河道塞满了泥。
- My boots are plastered with mud. 我的长统靴上粘满了泥巴。
- My car is sticking fast in the mud. 我的汽车陷在泥里不能动了。
- Most of the countries in the region have unstable economies. 这个地区大多数国家的经济都不稳定。
- chemically unstable 化学上不稳定的
- Passing cars have spattered the wall up with mud. 过路车辆溅起的泥浆把墙弄脏了。
- Your coat's dragging in the mud. 你的大衣拖到泥上了。
- The nile flood the field and deposit mud on them. 尼罗河泛滥，在田野上淤积一层泥。
- The cause of flight of capital is the unstable political situation. 资本外逃是因为政治的不稳定。
