我男朋友买了一打玫瑰送我。

My boyfriend bought me a dozen roses.

youdao

在过去的五年里，我交了一打女朋友。

I had a dozen of girlfriends during the past five years.

youdao

在过去的五年里，我交了一打女朋友。

I had a dozen of girlfriends during the past five years.

youdao