delicious (adj.)
可口、美味的

例句：
Delicious food is something I can never resist.
我从来就抵制不住美味食品的诱惑。 

Yum! This ice cream is delicious.
太棒了！这个冰激淋的味道真是好极了！
 

ASAP (As Soon As Possible)
越快越好；尽早

例句：
That report must be sent to the president ASAP.
该报告必须尽早呈交给校长。

This is my treat!
我请客。

当你想请朋友吃冰激淋的时候，也很简单。只要一句：
I'll treat you to icecream.