Turn around and you should see two small boxes and a pressure plate.
回头，你应该看到两个小盒子和一个压盘。
Using ultrasound waves, the pair beamed a small amount of power between two toaster-size boxes positioned a few feet apart.
两个烤箱般大小，相距几英尺摆放的盒子，能够利用超声波发出少量电能。
On his belt, Vader wore two small system function boxes. The one on his right featured a temperature regulation system. On his left, he wore a respiratory sensor matrix.
腰带上装置有两个小型系统功能箱，右边的是温度调节系统，左边的是呼吸传感矩阵。
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