Swayback
n. 由于负重过度而特别凹陷的背部\\n[医] 羊羔蹒跚病, 羊缺铜病, 马背凹陷
🗣️ 情景例句
That's amazing!
太令人吃惊了，真棒！
My brother's in the army.He was just promoted to the rank of major.
我的兄弟在军队工作.他就被提拔为少校。
The actual figure was made of copper supported by a metal framework which had been especially constructed by Eiffel.
这座雕像的主体是用铜制成的，由艾菲尔特制的金属框架支撑着。