Circumoesophageal
围食管的
🗣️ 情景例句
What's the nature of the problem?
是什么样的问题？
To work out the blueprint
勾勒蓝图
Happy birthday! said Polly, and gave Ann her present---a red feather.
“生日快乐！”波利说，然后给安送礼物--一根红羽毛。