n.[生化]脲酶；尿素酶

A clathrate compound, such as urea. 包合物一種籠狀化合物，如尿素

But 120 tons of urea is really a small one. 但120噸尿素確實(shí)是個(gè)小數(shù)目。

Government tender urea must submit price by 18th noon. 政府招標(biāo)尿素，須于18日正午前報(bào)價(jià)。

Allantoin is one of the important urea derivative products. 尿囊素是一種重要的尿素衍生產(chǎn)品。

A kidney also takes urea and mineral salts out of the blood. 腎還排出血液中的尿素和無(wú)機(jī)鹽。

Urea is commonly used as the source of nitrogen in foliage sprays. 尿素作為氮素給源普遍地應(yīng)用于葉面噴布。