a pygmy shrew的用法和样例：
- He is a pygmy compared with you.
- Before long, their team's efforts turned up abundant stone tools and bones of a pygmy version of an extinct elephant relative known as Stegodon.
- We would rather put a pygmy in a very important position than choose a sleepyheaded giant for a job.
- Mr Bush, who has described North Korea as part of an“ axis of evil” and Mr Kim as a“ pygmy”, will certainly move no faster.