a poor crop的用法和样例：
- We had a poor crop of raspberries this year.
- We provided against a poor crop.
- One of the effects of bad weather is a poor crop.
- We had a poor crop of wheat this year.
- This year we've got a poor crop of fruits.
- He looked back at his own life, what a poor crop of secrets it had produced!
a poor crop的相关资料：