易混淆的单词： Fills

My heart fills with joy .

我的心充满欢乐。

Guess who fills in the gaps ?

你猜谁会填补这些空缺？

When we do something for its own sake , because we enjoy it or because it fills some deep-seated desire , we are intrinsically motivated .

当我们为了事物本身的利益去做某事的时候，是因为我们喜爱他或者它满足了一些我们深层次的需要，我们是内在的被驱动了。

Blue stripes are often created when a crevice in the ice sheet fills up with meltwater and freezes so quickly that no bubbles form .

蓝色条纹通常是当冰层上的裂缝被融冰填充再极速凝固的过程中没有产生气泡而形成的状态。

A waste pit near a number of detroit auto factories fills with a rainbow of unidentified substances .

图中的填埋坑位于许多底特律汽车制造厂商的附近，里面填满的不明物质形成了一道彩虹般的风景。