Polycysteine
[化] 聚胱氨酸
🗣️ 情景例句
Where there's a will, there's a way.
有志者事竟成。
It's fantastic.
那儿棒极了。
The temperature drops to -- 30 o and very few people attempt to cross the Pass.
气温下降到零下30度，试图跨越山口的人寥寥无几。