a growth of weeds的用法和样例：
- A thick growth of weeds covered the yard.
- A rampant growth of weeds in the neglected yard.
- The abandoned garden was left to a wanton growth of weeds.
- There was a thick growth of weeds around there.
- The backyard of our house has a luxuriant growth of weeds.
- Has there been a growth of expenditure over the past three years?