Then we start filling the D block.

然后我们开始填充 D 块。

Then you're going to fill your S block, 2s2, and then 2p one two.

然后你要填充你的 S 块，2s2，然后是 2p 一二。

Once you've kind of backfilled those D blocks then you come over here and you start filling the P block.

一旦你回填了那些 D 块，然后你就过来，开始填充 P 块。