Centerboard
n. (帆船的)活动船板,中插板
🗣️ 情景例句
No, no. I'm from Florida.
不， 我从佛罗里达来的。
Every dog has his day, and every man his hour.
人人都有得意的日子。
Such inns as there were generally dirty and flea-ridden;
那里的小客栈一般都很肮脏，而且跳蚤猖獗。