checkout console的用法和样例：
例句
- The computer at the console monitors pressures in and around the balloon and adjusts them accordingly to maintain the correct pressure gradient necessary to moe the balloon along.
操纵台的电脑监控气球内和气球周围的气压并进行相应的调整，使气压维持一个正确的梯度，从而推动气球前进。
词汇搭配
- check out 退房结帐
