汤里有一大块黄油在慢慢融化。

There was a ___glob of butter slowly melting in the soup.

别张大嘴站着，苍蝇都要飞进去了。

Don't stand there with your ___mouth wide open, flies will get in.

那个经验丰富的哥布林教了我很多航海技巧。

The experienced ___goblin taught me many sailing tricks.