如果它已经耗尽了，那么将其作为废弃物储存起来，然后加入一块新的小球。

If it's spent, it's stored as waste, and a new pebble is added.

youdao

癌细胞死亡后，TRAIL分子并不废弃或以其它方式耗尽，事实上，TRAIL分子能够保持数周或数月的活性。

During the death of the cancer cells, TRAIL is not depleted or used up in any way, and in fact, it stays active for many weeks or months.

youdao

确实，没有人希望看到我们的资源被耗尽我们的地球被废弃物污染。

Certainly nobody wants to see our resources used up and our planet poisoned by waste.

youdao