Unlike the other levels, there is no escape at this level.
与其他层次不同的是，在这一层没有逃避。
2
At this altitude, atmospheric pressure is considerably less than at sea level, so the carbonated bubbles in beer escape more rapidly.
在这个海拔上，大气压远远低于海平面，所以啤酒里的气泡会被更快地释放出来。
3
It's a level where you have a small squad and are required to infiltrate a base, kill some dudes, knock out an enemy helicopter, and then escape in a stolen vehicle.