Tkn
[医][=total kjeldahl nitrogen]总克氏氮
🗣️ 情景例句
Well, you really saved the day for me, Alexandra.
你真的帮了我一个大忙， Alexandra。
I'm going to show him how to write.
我正要指点他如何写字。
When it grew dark, she turned a suitcase into a bed and put the children inside it, covering them with all the clothes she could find.
天黑下来的时候，她把提箱当作小床，把两个孩子放了进去，又把所有能找到的衣服都盖在了孩子们身上。