is helpful to do

意思翻译 有助于 相似词语短语 is helpful───有帮助的 he is helpful───他很有帮助 helpful───adj.有帮助的；有益的 she is helpful───她很有帮助 to be is to do───做就是做 to dare is to do───敢于去做就是去做 it is to do───这是要做的 to do is love───做就是爱 do is───是吗 双语使用场景 At all the attractions there is...