Back-bone
分水岭；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
You think so?
你想会吗？
There's as good fish in the sea as ever came out of it.
海里的好鱼是取之不尽的。
Suddenly a raft appeared, looking rather like Noah's ark, carrying the whole family, a few hens, the dogs, cat, and bird in a cage.
突然，出现了一只筏子，看起来很像诺亚方舟，上面载着他们全家老小，还有几只母鸡、几只狗，一只猫与一只鸟笼，那里头有一只小鸟。