Cryptoporphyrin
[化] 隐卟啉
🗣️ 情景例句
I'd like to give thanks for Grandpa coming to live with us.
我感谢爷爷到这儿和我们一起生活。
Mary is in her freshman year.
玛丽大学一年级。
She walked slowly into the hall and at once noticed that all the room doors were open,
她慢慢地走进前厅，立即发现所有的房门都敞开着，