helpful
adj.给予帮助的，有益的；愿意帮忙的
网络解释.有帮助；有帮助的；有益的；有益
valuable kind expedient advantageous useful favorable profitable obliging curative beneficial constructive accommodating
双语例句
1. 1 . Having the right equipment at hand will be enormously helpful .
手头上有合适的设备将会帮上大忙。
来自柯林斯例句