Cell phones are a travel necessity nowadays, multitasking as alarm clocks, not to mention free long distance calls.
如今，手机是出游的必备品，可以当闹钟用，当然更少不了免费的长途电话了。
2
This "burglar alarm," scientists speculate, is meant to attract the attention of an even bigger creature that might be able to eat the predator and free the jellyfish.
科学家推断，这种“防盗报警器”是为了引起更大生物的注意，有可能能够吃掉它的敌人，从而将它解救出来。
3
The second alarm is the widening in the spread between LIBOR and the relatively risk-free interest rate known as OIS (overnight indexed swap).