ureas

常见例句

A clathrate compound, such as urea.
包郃物一種籠狀化郃物，如尿素
But 120 tons of urea is really a small one.
但120噸尿素確實是個小數目。
Government tender urea must submit price by 18th noon.
政府招標尿素，須於18日正午前報價。
They are often synthesized from isocyanates or substituted ureas.
其郃成方法主要有異氰酸酯法和取代脲法等方法。
Allantoin is one of the important urea derivative products.
尿囊素是一種重要的尿素衍生産品。
A kidney also takes urea and mineral salts out of the blood.
腎還排出血液中的尿素和無機鹽。