Microthruster
微型噴氣發動機
??? 情景例句
Nothing. Absolutely nothing.
沒有啊。什么事也沒有。
I think your industrial robots are the best in the field.
我認為你們的工業機器人在這領域是最好的。
It looks as if she's gone away for a few days.
好象她要外出好幾天了。