1. Each mineral has crystals of a particular shape.
    每种矿物的晶体都有其特殊的形状。

2. But we do not need to send men down to get the oil out, as we must with other mineral deposits.
    但是，我们不必像开采其他矿藏那样，把人送到地下去把石油取出。

3. With the combination of intelligence and manual skill (allowing us to make and use tools), people have found ways to use plant and animal resources, mineral ores, fuels, and many other of Earth's materials and resources.
    由于智力与手工技能的结合（使得人类能够制造和使用工具），人们已经发现了诸多利用地球动植物资源、矿产资源、燃料和许多其他物产和资源的方法。

4. At lava Hot Springs in Idaho, visitors may bathe in the thermal mineral waters.
    在爱达荷的溶岩温泉，游客可在热矿泉水中洗澡。