Protodrilidae
原节虫科
🗣️ 情景例句
There is still a week to go before the vacation begins.
现在距离假期还有一星期。
Thank you for inviting us; we had a wonderful time.
谢谢您的邀请，使我们过得很快乐。
At first I thought I'd done the right thing, but I soon realized that I'd made a mistake.
开始我以为我做对了，但是很快就发现自己犯了个错误。