[计] 毫，千分之一...

Right now, Hockaday's prototypes put out only a few milli - watts of power.现在, 霍克蒂的燃料电池原型只能输出几毫瓦的电力.After viewing this PNG , you notice them ( milli ) has disappeared.在查看 PNG 文件后, 你会注意到m不见了....

milli的音标：...