Back bone
[医] 脊柱
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
bone
[bon]
n. 骨头;尸骨;骨质物;有…样的骨头的;
vt. 挑鱼刺，剔骨头;剔去…的骨;
vi. 苦学;专心致志;
🗣️ 情景例句
Would you like to call home?
你想跟家里通个电话吗？
In college I majored in history, What was you major?
大学时我主修历史，你主修什么呢？
Competition between ourselves, person against person, community against community,
然而人类之间的竞争，人与人，团体与团体，