Ascertaining
vt. 确定；查明；探知
🗣️ 情景例句
Davis Aerobics Center for Good Health.
Davis有氧运动健身中心。
Lifeless, faultless.
只有死人才不会犯错误。
Oh, good evening, Lucy. Come in. Nice to see you!
噢，晚上好，露茜。请进。见到你真高兴！