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- Because RNA is chemically unstable,the scientists converted the RNA sequence to DNA, replacing every uracil base with a thymine. 氨基酸頂多只能是生命中有功能的最小的單位.
- The tuck slowly ploughed through the mud. 車(chē)在泥濘中吃力地緩慢行駛。
- A passing car splashed mud on my new trousers. 路過(guò)的一輛車(chē)把泥水濺到我的新褲子上了。
- The mud was soft and our feet sank in. 泥很軟，我們的腳都陷進(jìn)去了。
- The truck bespattered my clothes with mud. 卡車(chē)濺得我滿(mǎn)身衣服都是泥漿。
- The heavy wheels churned the earth into mud. 笨重的車(chē)輪將大地碾成了泥漿。
- 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. 她的衣服濺上了泥污。
- The price of gasoline is unstable. 汽油價(jià)不穩定。
- As the bus passed, it spattered mud on my clothes. 公共汽車(chē)開(kāi)過(guò)時(shí)濺了我一身泥。
- He removed the mud from his shoes. 他去掉鞋上的泥。
- The channel of the river filled up with mud. 河道塞滿(mǎn)了泥。
- My boots are plastered with mud. 我的長(cháng)統靴上粘滿(mǎn)了泥巴。
- My car is sticking fast in the mud. 我的汽車(chē)陷在泥里不能動(dòng)了。
- Most of the countries in the region have unstable economies. 這個(gè)地區大多數國家的經(jīng)濟都不穩定。
- chemically unstable 化學(xué)上不穩定的
- Passing cars have spattered the wall up with mud. 過(guò)路車(chē)輛濺起的泥漿把墻弄臟了。
- 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. 尼羅河泛濫，在田野上淤積一層泥。
- The cause of flight of capital is the unstable political situation. 資本外逃是因為政治的不穩定。
