Nitrogen partition
[医] 氮分配
🧩 词语组成解析
🗣️ 情景例句
Sorry, I have to say good-bye.
我不得不说再见了。
Riches either serve or govern the possessor.
财富可以侍候主人，也可以支配主人。
She heard the front door open and heavy footsteps in the hall.
她听见前门被打开，走廊里响起重重的脚步声。