The suit backfilled the missing air with yet more oxygen.

太空服马上用更多氧气进行补压。

She then backfilled the trench once she had laid all the eggs.

产完蛋后，雌性恐龙会再将沟再填满。

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。

Having no way to separate out the CO2, the suit deliberately vented air to the Martian atmosphere, then backfilled with nitrogen.

既然没办法阻隔二氧化碳，太空服就会自动打开通风口，同时以氮气补压。

Once the building is safely supported, each pile will be enclosed in a concrete vault below the ground, everything will be backfilled, and the sidewalks will be replaced.

一旦建筑物得到安全支撑，每根桩都将被封闭在地下的混凝土拱顶中，所有东西都将被回填， 人行道将被更换。