A mixture of lime or gypsum,sand,and water,sometimes with fiber added,that hardens to a smooth solid and is used for coating walls and ceilings.

灰泥石灰或石膏、沙子和水的混合物,有时还加入纤维,变硬后成为光滑的固体,用来涂墙壁和天花板

The wax stays on the cloth and often cracks after it hardens . The cloth is then dyed and the dyes seep into the cracks and make fine lines. When the wax is boiled away, beautiful patterns appear on the cloth.

蜡贴在布料上,干燥会开裂,把布浸入染料缸,染料从裂缝进入布料,即染出流畅线条。当水煮脱蜡后,即出现美丽花纹。

Here, the melt cools and hardens until fully set-up. The mold is then opened, the piece ejected, and the sequence repeated.

熔体在模腔里冷却,硬化,直至完全固化。然后将模子打开,推出工件,并重复以上工序。

Plaster of paris: Quick-setting gypsum plaster consisting of a fine white powder, calcium sulfate hemihydrate, which hardens when moistened and allowed to dry.

熟石膏:一种快凝石膏灰浆,为精细的白粉(半水硫酸钙),掺水后再次干燥时硬化。

The addition of cement or lime hardens the soil and greatly increases its compressive strength.

水泥、石灰使土质变硬,从而大幅度增加其压缩强度。

Hydraulic cement hardens under water pressure.

水硬水泥在水的压力下变得硬起来.

The heat of the sun hardens clay.

太阳的热使黏土变硬。

Natural resins are usually transparent or translucent yellow to brown and can melt and burn. Most are exuded from trees, especially pines and firs (see conifer), when the bark is injured or stripped. The fluid secretion usually dries out and hardens into a material that can be worked.

天然树脂通常是透明的,或者是半透明的黄色到棕色物,能够熔化和燃烧。大部分在树皮受伤后从树木中渗出,尤其是松树和冷杉树。通常流体分泌物会变干和硬化(于是成为"催干油")。

A composition,especially a semisolid that hardens on drying,used to fill pores,cracks,or holes in wood,plaster,or other construction surfaces before finishing.

填料一种混合物,尤指在干燥过程中变硬的半液体状物质,用于在完工前将木头、塑料或其它建筑表面填入孔、裂缝或洞

Fresh ambergris is soft, black, and smelly; exposed to sunlight, air, and seawater, it hardens , fades, and develops a pleasant scent.

新鲜的龙涎香是软的,呈黑色,有难闻的气味。遇到阳光、空气和海水,就硬化、褪色并产生宜人的香气。

Scleroderma(or progressive systemic sclerosis):Chronic disease that hardens the skin and fixes it to underlying structures.

硬皮病(亦称进行性全身硬化症):一种使皮肤变硬并固着于皮下结构的慢性皮肤病。

clay hardens when it becomes dry

粘土干了的时候就变硬了。

The cement combines chemically with the water it is mixed with, then hardens and strengthens.

这种水泥与水混合后会产生化学变化而凝结硬化。

In a video on the company’s website, an unprotected ball hit by a hard object is shown breaking into many pieces. But a ball protected by Armourgel does not break. That is because the Armourgel pad hardens and absorbs the energy of the object when it is hit. Soon after the material hardens, it becomes soft again.

在该公司网站的一则视频中，一个未加保护的球受到硬物撞击时碎成很多块。但一个受到Armourgel保护的球并未破。这是因为Armourgel保护垫在受到撞击时吸收了该物体的能量。该材料变硬后不久会再次变软。

"Self-pity in its early stages is as snug as a feather mattress, " said Oprah Winfrey. "Only when it hardens does it become uncomfortable. "

“在其初始阶段，自怜就如同一床羽毛床垫一样贴身舒适，”奥普拉·温弗瑞如是说：“而当其愈演愈烈时就会让人感到不适。”

There should be plenty of scope for more domestic demand, but the instinct for saving hardens in a downturn.

本应有更多的国内需求，但储蓄的本能在经济衰退中被强化了。

But during arousal, your sponge swells and hardens , and it becomes more obvious to touch.

但是在性冲动过程中，海绵体膨胀，变硬，摸一下会有很明显的感觉。

Pour the syrup over the nut mixture in the bowl. Mix well and move quickly to mix before the syrup hardens .

将糖浆倒入之前的混合物里，在糖浆变硬之前迅速混合均匀。

She laughs and hardens evermore her heart.

她却大笑而硬起芳心令其难摧。

When this happens, if the river is at its narrowest or the creek shallow there is a freeze which hardens the water to ice.

如果赶上雨雪发生在河流最狭窄的地段，或者当时正值水浅，河面就会结冰。

As the scientific consensus hardens , efforts to fight climate change have gathered political momentum.

随着科学共识日益稳固，抗击气候变化的努力已聚集起政治方面的动力。

The fluid secretion usually dries out and hardens into a material that can be worked.

通常流体分泌物会变干和硬化（于是成为「催干油」）。

Via a proprietary technique, the researchers turn waste cooking oil into a liquid polymer, which hardens after application.

通过一项专利技术，研究人员将废食用油转化成一种硬化的液体聚合物。

eg. The earth hardens under the hot sun.

土地让炎热的太阳晒硬了。

Once the bag is pressed against an object, the gripper contracts and then hardens when a weak vacuum is applied.

一旦塑胶袋作用在目标物上，夹具收紧，形成真空然后变硬。