Xanthophyceae
黄藻
🗣️ 情景例句
You've been working late
你一直工作到很晚
She sent me a Christmas card last year.
去年寄过一张圣诞卡。
What is needed in the case of noise is a study of large numbers of people living under noisy conditions,
对于噪音问题，需要对大量生活在噪音中的人进行研究，