Onb
[医][=o-nitrobiphenyl]邻-硝基联苯
🗣️ 情景例句
It's asking a lot.
那需要做许多工作。
What a shame.
好可惜。
Well done, Wei Hua! Thank you, said Miss Zhao. I think it's time for us to start the lesson now.
“说得很好，魏华！谢谢，”赵小姐说，“我想现在该是我们学习课文的时候了。”