Clay makes the soil hard to work when wet and it cracks when dry.
粘土遇湿使土壤无法耕作，遇旱使土壤发生龟裂。
Cobalt (II) chloride is deep blue when dry (anhydrous) and pink when moist (hydrated).
钴(II)氯化物在无水状态时呈深蓝色时，吸湿后呈粉红色。
Although similar pens have been available for a number of years, their ink tends not to be bendable when dry.
尽管这种类似的钢笔已经有数年的历史，但他们的墨水在干了之后就不能弯曲了。
A technique for measuring the pore volume of a core sample from the difference in its weight when dry and when saturated with a liquid.
测量岩心样品被烘干后的体积以及被一种液体充满后的体积之差从而确定岩心样品孔隙体积的一种方法。
It was observed that iron salts with lower decomposition temperatures exhibit higher activity when dry mixing method was used for preparation.
观察到在干混法制备催化剂时，所用铁盐分解温度越低活性越高。
The main manifestation of a dry throat itching foreign body sensation voice hoarse as the secretion of inflammatory stimulation when dry cough.
其主要表现为嗓子发干、发痒、有异物感、声音嘶哑，由于炎性分泌物的刺激时有干咳。
When the inside is dry and breaks easy, like this here piece I've cut off, it's done for.
当里面干枯了，很容易折断的时候，就像我切下来的这一块这样，它就死了。
When they detect an extended dry period, they divert their metabolisms, producing sugars and certain stress-associated proteins and other materials in their tissues.
当它们发现干旱期延长时，它们会改变自己的新陈代谢，在它们的组织中产生糖和某些与应激相关的蛋白质和其他物质。
When you get it home you may find that it takes twice as long as a more expensive model to dry your hair.
当你把它买回家后，你可能会发现，吹干头发所需时间是更贵的型号的两倍。
In dry Mediterranean areas, tourists use almost twice as much water as local people when swimming in the pool.
在干燥的地中海地区，游客在游泳池游泳时的用水量几乎是当地人的两倍。
But when you get it home you may find that it takes twice as long as a more expensive model to dry your hair.
但当你把它带回家后，你可能会发现，吹干头发需要的时间是更贵的型号的两倍。
Brewer says that the word comes from the time when silk or cloth shoes were worn indoors and in dry conditions.
Brewer说，这个词来自于人们在室内和干燥的地方穿丝鞋或布鞋的时代。
Brigida was just hanging up Peter's shirt to dry, when the whole company arrived.
布丽吉特正把彼得的衬衫挂起来晾干，这时大家都到了。
When they were asked to move dry marbles, all the people performed the same, no matter whether they had the wrinkled fingers or not.
当要求他们移动干弹珠时，所有人的动作都一样，无论他们的手指是否起皱。
After a while, she said, "Alice! Stop crying! Crying doesn't help! Dry your tears immediately!" When she looked at the table again, she saw a small glass box under it.
过了一会儿，她说：“爱丽丝！别哭了！哭没有帮助！快擦干眼泪！”当她再次看桌子时，她看到桌子下面有一个小玻璃盒子。
If the air in your room is too dry, a smart sprinkler could water your plants by itself when you are not at home.
如果房间里的空气太干燥，智能洒水器可以在你不在家的时候自动给植物浇水。
When your mouth gets dry, there isn't enough saliva to wash away dead cells.
当口腔变得干燥时，口中便没有足够的唾液将坏死细胞冲走。
We then came up with the idea that in order for this to happen, to have these huge variations, the [Moon] must have been dry when these basalts crystallised from magma.
然后，我们想出了主意，为了做到这一点，对于这些巨大变化，[月亮]必须是干燥的，当这些玄武岩岩浆结晶。
Timber swells when it is damp and shrinks when it is dry because it contains groups of atoms called hydroxyl groups, which absorb and release water.
木材在潮湿的时候就会膨胀，而干燥的时候会缩小，这取决于其中含有的氢氧基团，它可以吸收和释放水分。
When the undercoat is dry, paint the table legs and chairs in your desired colour (s).
等底漆干后，给桌腿和椅子刷上你喜爱的颜色(可单色也可多色)。
From this: dry air, when coming in contact with wet objects, absorbs the moisture, and by this dries the object somewhat.
原来是这样的。当干燥空气的接触潮湿的物体时，就会吸收其中的水分，这样就会使物体中的水分有所减少。
In many cases, this means they are so heavily silted that they dry up when the rains cease and flood during summer when they reach their peak.
这些水库的情况多是如此：在雨水少的时候干涸，在洪水到来的时候则因蓄水量到达顶峰而没顶。
The new fluid recommendations for runners say that they should "obey your thirst" and drink when their mouth is dry and they feel the need to drink.
专家们给跑步人群的最新建议是要“顺从你的口渴”，在口干和感觉需要的时候喝水。
But the electrolyte can evaporate, causing the muscle to dry out when exposed to the air.
但是电解液会挥发，因此当这种肌肉暴露在空气中时就会干涸。
When one well runs dry, another can be drilled in another direction (instead of moving to a new spot).
当一口井干了，可以朝另一个方向钻新井(而不用挪到一个新的地方)。
The phenomenon occurs in Brazil's June-to-August dry season, when lowered water levels make the pollutants more concentrated.
在巴西，这种现象通常发生在六月至八月的枯水期，这个时候水位下降，污染物便更为集中。
The bubbles fragment, forming ultra-tiny drops, and when these dry they leave a powder with granules that are between one and five microns across.
而这些泡沫就构成了超小的液滴，干燥之后就成了粉末，其颗粒大小在一到五微米之间。
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