21.   Martens removed part of a metal pin which had been inserted to repair the injured ankle, but which had since become a source of irritation.

22.   She then had operations implanting metal pins in her fractured hip and will be unable to use crutches because of a fractured wrist.

a. + pin >>共 214
olympic 6.62%
metal 4.86%
straight 4.42%
gold 3.75%
tiny 2.65%
difficult 2.21%
little 2.21%
bowling 2.21%
new 2.21%
tough 1.99%
metal + n. >>共 1168
detector 16.49%
plate 2.24%
bar 1.76%
price 1.54%
door 1.45%
pipe 1.42%
rod 1.35%
part 1.26%
box 1.22%
object 1.16%
pin 0.32%
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