pear thrips造句

例句与造句

1. When this was followed by pear thrips, canker worms, and a droughty summer, maples and some other trees started dying.
2. Sugar maples have been subject to stress by acid rain, asian longhorn beetles, pear thrips, and, in 2011, an excessive deer herd that is forced to eat bark in the winter.
3. It's difficult to find pear thrips in a sentence. 用pear thrips造句挺难的