管理员摘要：
例句： This knife needs sharpening. 这把刀需要磨了。 This material frays easily. 这布料容易磨损。 Those laws no longer pertain. 那些法律已不适用了。 These questions frustrated me. 这些问题使我懊丧。 These injuries were avoid……
例句：
This knife needs sharpening.
这把刀需要磨了。
This material frays easily.
这布料容易磨损。
Those laws no longer pertain.
那些法律已不适用了。
These questions frustrated me.
这些问题使我懊丧。
These injuries were avoidable.
这些伤病本是可以避免的。