A water-filled drum called a sod roller can be used.

VOA: special.2009.07.07

That happens because of space issues that you were asked to do that, because you can always assume that all of the core orbitals are already going to be filled.

这是出于空间的考虑,要求你这么做是因为，你总是可以假定所有的,芯电子轨道都已经填满了。

麻省理工公开课 - 化学原理课程节选

There's always events going on. You can see, the park is filled with runners and bikers.

那里活动不断。你会看到公园里到处都是跑步和骑车的人。

最美丽的公园 - SpeakingMax英语口语达人

The inner pot can be filled with fruit,vegetables or drinks.

VOA: special.2009.02.09

Obviously poverty and racism and oppression can also corrupt one's spirit and turn the person into someone who is bitter and angry, filled with rage.

当然，贫穷，歧视，压迫,会摧垮一个人的精神，让人变得,愤世嫉俗，满腔怒火。

普林斯顿公开课 - 人性课程节选

This should make a lot of sense, because we know that a hydrogen has 1 s as it's outer-most or valence orbital, so it can be filled up just with two 1 s electrons.

这也是很合理的，因为我们,知道氢只有，1，s，轨道,这就是它最外层的轨道或者说价轨道，因此只要两个，1，s，电子就可以将它填满。

麻省理工公开课 - 化学原理课程节选