Phytoactinometer
光合光量计
🗣️ 情景例句
Now comes the good part.
现在最精彩的部分来了。
Mr. Jones spent his undergraduate days at Columbia.
琼斯先生在哥伦比亚大学渡过了他的大学时代。
What's your problem?
你怎么回事啊？