Ephippidae
n. 白鲳科；银鲳科
🗣️ 情景例句
Are all these goods made in your factory?
所有这些货物都是贵厂生产的吗？
Little boats must keep the shores.
小船不能航行远。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，