Set up power switch which can be manually adjusted freely. 设置电源开关,可以自由手动调节。
Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
Want to step the shoe to go up in the footplate that is linked together with power source only, sole can give off heat, temperature can be in 20 to adjust freely between 70 Celsius.. 只要将鞋踏在与电源相连的踏板上，鞋底便可放热，温度可在20至70摄氏度之间自由调节...
A small adjustment will equalize the temperature in the two rooms. 稍作些调节就会使两间房内的温度相等。
The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。