She was forced to live in a cockroach - infested house.她被迫住在一间蟑螂成群的房子里.A species of cockroach sprays a substance , ethylacrolein, that is a kind of tear gas.某种蟑螂喷射一种催泪性毒气――乙 基丙烯 醛.You must be tough as a cockroach to surv...
Keep your head up, and look around you from time to time.要抬起头，不时看看四周。I'm going to look around and see what I can find.我去四下里转转，看能发现些什么。You'd better look around carefully before making the final decision.在作最后结论之前...