requiting的音标？

Even normal racing produces enormous straining, requiting the helmet to protect the neck and spine.甚至是一般的赛车运动都会产生极大的张力, 这就要求头盔能保护颈部和脊椎.When given a problem requiting multiplication or division, the computer solves it by ...

v.报答( requite的现在分词 )，酬谢，回报，报复...