Pelvic fin
n. <动>腹鳍
🧩 词语组成解析
pelvic
['pelvik]
adj. 骨盆的，关于骨盆的;
fin
[fin]
n. 鱼鳍;鳍状物;（汽车、飞机、炸弹上的）尾翅;散热片;
vt. 给…装上翅片;切除鳍;
vi. 潜泳;（猛烈地）拍动（鳍）;
🗣️ 情景例句
and Susan and Robbie to Jones Beach?
Susan、Robbie去Jones海滨的事吗？
Have you offered him any candy?
你给他糖果吗？
Thus the rods, by falling, and by the direction in which they fell,
木棒倒下的多少和倒下的方向