Cystathionine
n. [生化]胱硫醚,丙氨酸丁氨酸硫醚
🗣️ 情景例句
I'm unemployed at the moment.
现在我失业了。
Knowledge will not be aquired without pain and application.
不花力气，不下功夫是得不到知识的。
What are you going to buy?
你打算买什么？