Drop keel
[航海学] =centerboard
🧩 词语组成解析
drop
[drɑp]
vt.& vi. （使）落下;投下;（使）降低;减少;
vt. 放弃;停止;（故意）降下;垂下（眼睛）;
n. 滴;空投;降落;少量;
vi. （水或其他液体）滴;结束;（因受伤或死等）倒下;退出;
keel
[ki:l]
n. （船的）龙骨;
vt.& vi. 翻身，倾覆;
adj. 无龙骨的;
🗣️ 情景例句
In the Spring and Autumn period, copper and iron chopsticks came into being.
在春秋时代又出现了铜制和铁制的筷子。
Excuse me. Could you give me change for a dollar?
劳驾，你能不能换1元零钱给我？
Maybe we had better do that.
看来就这么办吧。