Protosireninae
原海牛亚科
🗣️ 情景例句
I say forget about the whole plan.
要我说，还是把整个计划忘掉吧。
I bought 5 yard of ribbon.
我买了五码缎带。
They discovered that the farther away the feeding station was, the slower the dance was.
他们发现离喂食点越远，蜜蜂就跳得越慢。