Penteconter
（古希腊的）一种桨帆并用的战舰
🗣️ 情景例句
You'll probably want the family car
你也许需要用家里的车
I do not know whether you care to answer right away.
我不知道你是否愿意立即回答。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。