Protogenic
a. 原生的\\n[机] 强酸的
🗣️ 情景例句
What a bargain! Thanks for helping me with this shopping.
真是太划算了！谢谢你带我买这些东西。
Happy is the man that owes nothing.
无债一身轻。
It's a secret between you and me.
这是你我之间的秘密。