金融衍生品这种扩大问题的趋势使部分投资人要求管理者取缔一些衍生品种类.Derivatives'tendency to magnify problems has led to calls for regulators to ban some types.其作用是在书背上刷上少许胶, 并使部分胶液渗入书背拉槽内.It is in the back a little plastic, and some glue to infiltr...
木匠用他的锥子在木头上穿孔。The carpenter bored the wood with his drill.路易斯三岁时, 就学着用他爸爸的锥子.When Louis was three, he tried to use his father's awl.他工作起来又用锉刀, 又用凿子, 又用锥子.He works with a file, a chisel, and an awl....