The cat managed to climb down the tree by itself.

We must climb down several decks, through the length of the ship.

我们必须得爬过几个甲板, 穿过船身.

But what they don't know is that at night I climb down.

但是他们不知道在晚上我趴下去过.

I reckon we'll climb down there and have a hunt for that box.

我看咱们得往那边爬下去找那个箱子.

Cats often find it easier to climb up a tree than to climb down.

猫儿爬树往往是爬上去比爬下来容易些.

Would you please climb down and help me?

请你下来帮我一下好 吗 ?

Climb down the tree at once.

立刻从树上爬下来.

He had to climb down when he saw the evidence.

他一看到证据就只好认输.

The climb down was even harder than the climb up.

那一次下山比上山还艰难.

If Lafontaine is forced to climb down, he may wish to reconsider his position.

如果拉方丹被迫让步，他可能愿意重新考虑自己的立场。

I expect they'll climb down if you show them you are determined.

如果你对他们态度坚决,我估计他们是会退让的.

He said he would climb down and help them.

他说他要爬下去帮他们一把.

The feed reactants can be alkadienes, cycloalkadienes.

所加的反应物可以是二烯烃 、 环二烯烃.

This may well hold good for any limited series of related hydrocarbons.

这种关系在一些有关烃类的有限系列中可能适用.

Plants are sensitive to the simple olefins, particularly C 2 H 4.

植物对简单烯烃是敏感的特别是乙烯.

Hydrocarbous are thus trapped and cannot escape either updip or vertically.

因此烃类被圈闭,无论在上倾方向或垂直方向都不能散失.

They are sometimes difficult to differentiate from aromatic or olefinic absorptions.

有时它们就难于和芳香族或烯烃的吸收峰相互区别.

With the higher olefins, stabilization of the energetic intermediates occurs more easily.

在较高的烯烃情况下, 高能的中间物稳定作用更易出现.

Humic acids are usually regarded as polymers of aromatic compounds.

腐殖酸通常被看作是芳烃化合物的聚合物.

The benzenoid hydrocarbon are all nonclassical and, thus potentially aromatic.

苯环型烃都是非经典烃, 因此,可能是芳香烃.

These compounds range from hydrocarbons through various oxidation products.

这些化合物从烃类到多种氧化物.