He's made hard metal sweat with the exertion of killing.

他让坚硬的金属流淌着杀戮的强力。

It's got a hard shell on the inside.

内部有一个坚硬的壳。

The knife was too blunt to cut through the tough meat.

这把刀太，不开坚硬的肉。

The ground becomes solid when the lava cools into hard rock.

岩浆冷却形成坚硬的岩石地面。

Enamel is the hard mineralized outer layer of the tooth.

牙釉质是牙齿坚硬的矿化外层。

She specialises in eating tough seeds and nuts.

她擅长取食坚硬的种子和果实。

I just needed something solid to stop the fray between those fraternal twins.

我正好需要一个坚硬的东西阻止双胞胎兄弟之间的冲突。

Their think bark protects them close to the ground.

坚硬的树皮保贴近地面的部分。

Turtles and tortoises have hard shells which protect their bodies.

龟有坚硬的龟壳来保的身体。

A crack tooth can be caused by biting down on something hard.

牙齿开裂可能是由咬下坚硬的东西引起的。

He hammered some nails into the piece of hard wood.

他将一些钉子敲入那块坚硬的木头中。

For one, they have a hard, mineralized layer on the outside.

首先，鳞片表面有非常坚硬的矿化层。

A solid rocky core could lie below, Bierson said.

比尔森指出，地下可能是坚硬的岩核。

And they come in their own very hard shell.

都有非常坚硬的外壳。

But seven-ounce Sputnik isn't a fan of the cold, hard scale.

7盎司重的Sputnik可不喜欢这个冰冷坚硬的仪器。

What makes a bird egg so eggstra cool is this hard shell.

让鸟蛋如此特别酷的是这种坚硬的外壳。

A gourd, however, is a kind of decorative fruit with a hard shell.

然而，葫芦是一种外壳坚硬的装饰性水果。

If I go down on hard terrain , I'm not thinking at all.

如果我落在崎岖坚硬的路上，我不会瞎想太多。

" Fantastic, " said Harry bitterly, looking around at the hard floor.

“好极”，哈利看着坚硬的地板怨恨地说。

His long clawed feet are better designed for hard surfaces.

带有长爪的脚更适合在坚硬的地面行动。