()stair

梁对应的英文表达（）。 A: column B: beam C: stair D: foundation

What was the author’s husband like before she stumbled off a stair and what was he like after that?

高级绘图函数中type='S'表示? A: other steps B: stair steps C: no plotting D: both

stair / steə/ A: n.楼梯 B: n.炉，灶；烘箱 C: a.朝气蓬勃的 D: n.重力，引力；严重性

stair/ steə/ A: n.批评家,爱挑剔的人 B: n.学者(尤指文学方面) C: n.楼梯 D: n.批评;批判;评论