Ants store food, repel attackers and use chemical signals to contact one another in case of attack.
蚂蚁储存食物，击退攻击者，并使用化学信号联系彼此以防被攻击。
Please ask Tom to inform Sheffield that he may need their stand-ins in case of emergency during the next week.
请让汤姆通知谢菲尔德，他可能需要他们的代班（机器人），以防下星期发生紧急情况。
The Cascadia Rising drill gives area residents and emergency responders a chance to practice what to do in case of a 9.0 magnitude earthquake and tsunami along one of the nation's dangerous—and underestimated—faults.
Then, make sure you have a good discussion about the best course of action to take in case of emergency—make sure everyone is clear about what to do and who to call.
