Phytobenthos
底栖植物
🗣️ 情景例句
I believe stamp collecting is an interesting hobby.
我认为收集邮票是一种有趣的爱好。
Finished labours are pleasant.
大功告成，好不高兴。
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）