power-assisted
pow er-as sist ed ▶adjective (esp. of steering or brakes in a motor vehicle ) using an inanimate source of power to assist manual operation.
power-assisted ▶adjective (especially of steering or brakes in a motor vehicle ) using an inanimate source of power to assist manual operation.
power-assisted steering
p ò wer-ass ì sted st é ering 名詞 ⦅英 ⦆=power steering .