例句與造句

1. Unlike the grape mealybug, the obscure mealybug is not native to California, having most likely been introduced to the region from either Australia or South America in the latter part of the 19th century.
2. The obscure mealybug more closely resembles the grape mealybug than it does the vine mealybug, but the two can be distinguished by the color of the defensive fluid they secrete when disturbed; grape mealybugs secrete reddish-orange fluid, while obscure mealybugs secrete clear fluid.
3. The obscure mealybug more closely resembles the grape mealybug than it does the vine mealybug, but the two can be distinguished by the color of the defensive fluid they secrete when disturbed; grape mealybugs secrete reddish-orange fluid, while obscure mealybugs secrete clear fluid.
4. It's difficult to find grape mealybug in a sentence. 用grape mealybug造句挺難的