Mesotaenium
中带鼓藻属
🗣️ 情景例句
OK, let's go around the table.
好 ，让我们顺着桌子来。
Friends (the best of friends) must part.
好友终有分手时。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。