a broad tool的用法和样例：
- The river opens out suddenly into a broad estuary.
- Her heavy industry rests on a broad and firm base.
- She has a broad knowledge of computers.
- The survey covered a broad spectrum of topic.
- The menu offers a broad choice of desserts.
- Just give me a broad outline of the lecture.
a broad tool的相关资料：
Ajdana a a multistage design project. A preadolescent boy or girl. a childproof aspirin bottle. A unidirectional microphone. a girl of many accomplishments a short close-fitting jacket A very large portable radio. a full-bodied string section a table with adjustable top. A description of the pickup.