Cystathionine
n. [生化]胱硫醚,丙氨酸丁氨酸硫醚
🗣️ 情景例句
Shut the curtains, I'd like a little privacy for a while.
拉上窗帘，我这会不想让人看到。
Promise little but do much.
少许愿，多做事。
Do l have to
非做不可吗？