Indefinitive
a. 非决定性的, 不明确的
🗣️ 情景例句
Wow! I'm overwhelmed.
喔 我太感动了。
Thank you for inviting us; we had a wonderful time.
谢谢您的邀请，使我们过得很快乐。
Thanks, Carol.May I have a glass of beer please?
谢谢，卡罗尔。给我一杯啤酒好吗？