易混淆的单词： Weald

Weald and downland open air museum .

图片说明1-地貌和旷野露天博物馆。

The weald is about 120 million years old , give or take 10 million .

威尔德岩层的年龄大约是1.2亿年，正负误差1000万年。

The weald is just the beginning , however , for great britain is extremely old .

然而，威尔德岩层仅仅是冰山的一角，因为整个英国就是个极其古老的地区。

We refuse comfort and ease , rush about a hao roar in the weald .

我们拒绝安逸，在旷野中奔走嚎啸。

After dating the weald , darwin also observed that the total thickness of all the sedimentary strata in england would total 22 kilometers if piled on top of one another .

达尔文在估计了威尔德岩层的年龄之后也观察到：如果英格兰所有的沉积岩是一层一层堆积起来的，它们的总厚度将达到22公里。