采取有效的消杀蚊蝇、蟑螂等虫害措施。
One black beetle bled only black blood, the other black beetle bled blue.一种蟑螂只流黑色的血,而另外的蟑螂流蓝色的血。
That black beetle served me nearly flawlessly until I passed it on to my brother and graduated much less successfully to a 544S Volvo.这台黑色甲壳虫几乎完美地服务了我好几年,后来我把它处理给了我弟弟,自己又买了一辆沃尔沃544S,不过这次升级远远称不上完美。