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。

All of our loud speakers are made out of Pennsylvania hard woods.

我们所有的音响都是用宾夕法尼亚硬木制造的。

The air molecules go to the back of the wood, the harder wood.

空气分子会到木头的背面，木头更硬的地方。

Then we have the hard wood called oak, and the pretty dark-red mahogany, and the yellow birch.

还有比较硬的木材。硬木里有橡木, 英语叫oak；还有漂亮的暗红色的红木, 英语叫mahogany；还有黄色的桦木, 英语叫birch。

Happily for him, Pinocchio was made of very hard wood and the knives broke into a thousand pieces.

所幸的是，皮诺乔是用很硬的木头做的，因此刀断成了好多片。

In the tropics they built their homes of palm leaves and made spears and arrows of the hard, heavy woods.

在热带雨林，他们建造了棕榈叶房屋，用坚硬，厚重的木材制作矛和箭。

Both were solid, made of hard wood, strengthened with cross-beams ... in short, indestructible.

两者都是坚固的， 由硬木制成， 由横梁加固… … 简而言之，坚不可摧。

The natives made fire by twirling a piece of very hard wood in a hole in a piece of very soft wood.

土著人通过在一块非常软的木头孔里快速地转动一块非常硬的木头来取火。

But instead of feeling the hard, smooth wood of the floor of the wardrobe, she felt something soft and powdery and extremely cold.

但她没摸到柜底那又硬又光的木板，却摸到软乎乎、冷冰冰、像粉末似的东西。

She disappeared again, and came back with a big-bowled pipe in her hand, carved out of some hard wood very elaborately, and mounted in gold sprinkled with little gems.

她又消失了，回来时手里拿着一个大碗烟斗，是用硬木精心雕刻而成，镶嵌着镶嵌着小宝石的黄金。