Coboundary
[计] 上边缘
🗣️ 情景例句
Nice to meet you, Mr. Baker.
很高兴见到你， Baker先生。
Half the world knows not how the other half lives.
富人不知穷人苦。
Other experiments showed that her knees and shoulders had a similar sensitivity.
其他实验表明，她的膝盖和双肩有类似的感觉能力，