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1·Public attitudes to the strike have hardened.

公众对这次罢工所持的态度已强硬起来。《牛津词典》

2·The incident hardened her resolve to leave the company.

这件事使她更加坚定了离开公司的决心。《牛津词典》

3·As the centuries passed, the rock cooled and hardened, shrinking and cracking into long columns.

几个世纪过去了，岩石冷却、硬化，随后收缩、开裂，变成了长长的石柱。

4·At least, until the snow hardened into ice, the whiteness turned to sludge, and everyone started to moan again.

至少，在积雪硬化成冰，白雪转成污泥之前，人们又开始抱怨。

5·A few hundred degrees separates this pool of fiery orange magma in Italy's Mount Etna from its hardened, gray crust.

在意大利的埃特纳火山，几百度的高温将这一池炽热的橙色岩浆与坚硬的灰色地壳分开。

6·Insects and even small invertebrates have been found preserved in the hardened resins of conifers and certain other trees.

人们在针叶树和某些其它树木的硬化树脂中发现了昆虫，甚至发现了小型无脊椎动物。

7·Turbulent waters tore into the hardened salt flats, broke them up, and ground them into the pebbles observed in the first sample taken by the Challenger.

汹涌的海水冲进硬化的盐滩，把它们冲开，并将它们磨碎成卵石，这些卵石就是在“挑战者”号第一次取到的样本中观察到的卵石。

8·The sample consisted of pebbles of hardened sediment that had once been soft, deep-sea mud, as well as granules of gypsum and fragments of volcanic rock.

这一样本包括曾经柔软的的硬化沉积物的卵石、深海淤泥以及石膏颗粒和火山岩碎片。

9·The oil has hardened to tar.

油已硬化成沥青了。《柯林斯英汉双解大词典》

10·Their suspicions hardened into certainty.

他们由怀疑变成肯定。《牛津词典》

(1)hardened steel淬火钢；硬化钢

(1)hardened cement paste硬化的水泥浆[建]

(1)hardened concrete硬化混凝土