Tkn
[医][=total kjeldahl nitrogen]总克氏氮
🗣️ 情景例句
A little special country music.
一点特殊的乡村音乐。
I used to get dressed quickly every morning.
我过去常每天早上快速穿好衣服。
Some children were playing games on the bank and there were some people rowing on the river.
河岸上有些孩子正在玩耍，河面上有些人正在划船。