Heterostraci
异甲类
🗣️ 情景例句
Did you read the story in the paper, Malcolm?
你看到报纸上的新闻了吗 ，Malcolm？
If you want knowledge, you must toil for it.
若要求知，必须刻苦。
The young woman stood up and stepped forward.
年轻的女人站起来走向前。