Phytochrom
植物色素
🗣️ 情景例句
Did you pay for that?
你付钱了没有？
Our guarantee covers maintenance for both parts and labor.
我们的保证是包括更换零件和免费保养。
I'm sorry, these 2 books are 3 days overdue.
小姐，对不起，这两本书已经过期3天了。