生物降解

biodegradation

to be born / to give birth / life / to grow / raw / uncooked / student

thing / object / matter / abbr. for physics 物理

organism / living creature / life form / biological / CL:個|个[ge4]

surname Xie

to divide / to break up / to split / to separate / to dissolve / to solve / to melt / to remove / to untie / to loosen / to open / to emancipate / to explain / to understand / to know / a solution / a dissection

to transport under guard

acrobatic display (esp. on horseback) (old) / variant of 懈[xie4] and 邂[xie4] (old)

to drop / to fall / to come down / to descend

to surrender / to capitulate / to subdue / to tame

(chemistry) degradation / to degrade