Gastroscope
n. 胃镜, 胃窥镜\\n[医] 胃[窥]镜
🗣️ 情景例句
You can listen to BBC or VOA news if you want to improve your listening.
如果你想提高听力，你可以听英国广播电台或美国之音的新闻节目。
Excuse me, please.
对不起。
He began his diet a week ago.
他是一星期前开始节食的。