Insulation: 550 down fill.

绝缘：550向下填充。

youdao

Still say this grave for these two days meeting down fill.

还说这个坟这两天就会下来填了。

youdao

As the boat moved down the river the wind began to fill the sails.

船顺河而下，风逐渐胀满了帆。

《牛津词典》

As soon as lanthanum takes that electron, this level rises ever so slightly, and then we jump down here and fill in the lanthanide.

一旦镧得到了电子，这一层就会稍稍上升，然后我们向下填一下镧系元素。

麻省理工公开课 - 固态化学导论课程节选

So the Hund's Rule is telling us to put the two electrons in separate orbitals unpaired as opposed to we should not put them in like this, like some librarian might want to fill nicely from left to right, up and down.

所以洪特定律告诉我们,要把这两个电子放在独立的轨道中,而不是像我们常做的那样，像一些图书管理员想要,把书从左到右，从上到下放得很好。

麻省理工公开课 - 固态化学导论课程节选

Because, really, you can never truly feel close to a coffee machine until it's taunted you to jump up and down to fill your cup of joe.

ENGADGET: BeMoved coffee machine will make you jump for your caffeine fix

They turned down the opportunity to fill in for the boss on a critical client presentation.

FORBES: How To Develop An Audience-Focused Perspective -Presentation Training

"There was a Labour councillor who said the statue should be ground down and used to fill potholes up, which is absolutely disgraceful, " he said.

BBC: Margaret Thatcher statue