警犬非常擅长区分不同的气味。

Police dogs are very good at ___discriminating between different smells.

不用说，区分给予孩子的选择自由和青少年父母缺乏控制是至关重要的。

Needless to say, it is essential to ___discriminate between the freedom of choice the child is given and lack of control on the part of the youngster's parents.

作为一名葡萄酒鉴赏家，他能够区分细微的口味。

As a wine connoisseur, he can ___discriminate between subtle flavours.