这件棉T恤在高温烘干后会缩水。

This cotton T-shirt ___shrinks when dried at high temperature.

当他看到巨大的蜘蛛时，不由自主地退缩了。

He ___shrinks back when he sees the huge spider.

这群心理医生每周都会讨论疑难病例。

The group of ___therapists meets every week to discuss difficult cases.