Big Bertha camera的用法和样例：
- Look at that big Bertha over there!
- Ely Callaway, the firm's founder, had found great success with innovative clubs such as the Big Bertha.
- When Callaway Golf Company launched its successful Big Bertha line, it did not focus on competitors.
- You also see "Big Bertha,' the largest bass drum in the country;
- Our firm is likely to reap a big profit this year.