坚硬的

Any of various hard resins obtained from trees of the genera Shorea, Balanocarpus, and Hopea, native to southeast Asia and the Malay Archipelago and used in varnishes and lacquers.

达马树脂从婆罗属和坡亚属的树中提取的一种坚硬的树脂，原产于东南亚和马来群岛，用在假漆和天然漆中

Wear experimental results showed that the wear rate of Ta+C-implanted steelwas increased and the friction coefficient dropped significantly compared with that of unimplanted H13 steel.

但当模具温度超过400 ℃时，工件铝材表面就会形成坚硬的Al2O3，而模具氮化表面将形成疏松而容易发生点腐蚀的氧化铁，从而导致模具在预热阶段就开始腐蚀，加上Al2O3引起的严重磨损，模具承载表面会过早和突然破损。

Because hard shells fossilise, and are therefore more readily preserved than soft tissue, scientists had an incomplete and biased view of the marine life that existed during the Ordovician.

由于封存坚硬的外壳，因此比软组织更容易保存，科学家们对海洋生物的存在，在奥陶系不完整和有偏见的观点。

The old wolf feels as if something were chiselling at its bones and racking its nerves, which makes it restless .

它觉得像有一只坚硬的东西在凿它的骨头，磨碰它的神经，使它无法休息，无法安宁。

Yes, several were preparing to release the story, including Newsweek, which was holding off until key pieces of information could be verified' ands fact-checked But none hide until drays later, U was actually Newsweek that ultimately decided to proceeds with the stony, on January 21, with the help of AOL.

不错，有几个人准备释放的故事，包括新闻周刊，其中拿着留待关键件资料可以证实'案事实核对，但没有隐瞒，直到后来紫红，被美国新闻周刊指出，其实，最终决定了收益与坚硬的，是1月21日，的帮助下，黯然辞职下台。

The earths surface in the area of Manhattan is composed of solid concrete.

曼哈顿地区的地层表面是由坚硬的混凝土构成的。

Between them, these two outcrops of hard, weathered granite make up a quarter of the new island's surface area.

在他们之间有两块坚硬的岩石，风化的花岗岩组成新岛表面的四分之一。

A seed is tender, and the sprout soft; still it pierces the hard ground.

一颗种子是幼嫩的，长出幼嫩的芽；可是它仍然把坚硬的土地刺穿。

It wasn\'t the firm rubber material we had chosen, but a much softer, suppler one.

那不是我们选择的坚硬的橡胶材料，而是非常柔软顺滑的一种。

The hard inner layer of the pericarp of many fruits,such as the pit or stone of a cherry,a peach ,or an olive.

内果皮许多水果果皮的坚硬的内层，例如樱桃、桃子或橄榄的核

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。