" You're looking peaky; you need feeding up, but you'll have to wait a bit for dinner, I'm afraid."

“上去瘦了；需要多吃点东西，不过恐怕得等一会儿才能吃晚饭。”

And phytoplankton are essential for ocean ecosystems, absorbing carbon dioxide, oxygenating the water and feeding the creatures higher up the food chain.

浮游植物对海洋生态系统至关重要，它们吸收二氧化碳，供氧，并为食物链中更高层次的生物提供食物。