Waagenophyllidae
卫根珊瑚科
🗣️ 情景例句
There's nothing wrong with hard work.
刻苦没错。
We really need more specific information about your technology.
我们需要与贵公司技术相关更专门的资讯。
Walt invented the steam engine.
瓦特发明了蒸汽机。