Centerboard
n. (帆船的)活动船板,中插板
🗣️ 情景例句
They want to work.
他们想工作。
If you want knowledge, you must toil for it.
若要求知，必须刻苦。
The force there assembled was trivial compared with the Danish horde.
他集结在那里的军队和丹麦大军相比是微不足道的，