Calcaneal spur
[醫] 跟骨刺
?? 詞語組成解析
a. 腳后跟的\\n[醫] 跟骨的
spur
[sp?]
n. 馬刺;激勵因素;支柱;（公路或鐵路的）支線;
vt. 策（馬）前進;（尤指用馬刺）策（馬）加速;鞭策;
vi. 策馬飛奔;急速前進;
??? 情景例句
They come back here for lunch,
他們回到這兒來吃午餐，
At night, all cats are grey.
貓在夜晚皆灰色（丑妍暗中難分辨）。
One young calf especially enjoyed raising a turtle to the surface with his snout and then shoving him across the tank like an aquaplane.
一只小海豚特別喜歡用鼻子把海龜推到水面，然后像滑水板一樣把海龜從水池的這一邊推到那一邊。