The shell somehow has to be broken down before this germination ability expires.

外壳必须在这种发芽能力失效之前被以某种方法破坏掉。

youdao

They are made in 10 minutes, used in 20 minutes and normally remain on the earth for over 100 years since they are hard to be broken down.

它们在10分钟内制成，在20分钟内使用完毕，但由于很难被降解，它们通常会在地球上残留100年以上。

youdao

Promise are, like piecrust, made to be broken.

允诺常常是靠不住的。

《新英汉大辞典》

"When those products are at the end of their useful life, how are they going to be broken down?

VOA: special.2010.01.08

If the bonding energy is very strongly negative, thermal energy isn't great enough to disrupt those bonds and allow those bonds to be broken and then have fluidity.

如果键能非常强，热能并不足以,打破这些化学键,破坏这些化学键,并使它们液化。

麻省理工公开课 - 固态化学导论课程节选

If there are three possibilities--dead, alive, or suspended-- to be dead, we could still say you've got to be broken, incapable of P-functioning.

如果有三种可能，生存，死亡或者假死-,要死亡的话，你必须是被破坏的状态，无法拥有人格功能性。

耶鲁公开课 - 死亡课程节选

Which is presumably why Dexia is apparently going to be broken up and recapitalised.

BBC: Can we afford to heap bank losses on creditors?

By this time next week, one of his financial records figures to be broken, too.

FORBES: Naismith Paper Should Fetch Record Price

More fundamentally, fun and games allow for the barriers between departments to be broken down.

FORBES: Fun, Fun, Fun - Millennials Want To Have Fun At Work