(rugby) an act or instance of throwing a ball in to put it into play
同义词:throw-in
add as an extra or as a gratuity
give up in the face of defeat of lacking hope; admit defeat
同义词:drop out??/??give up??/??fall by the wayside??/??drop by the wayside??/??throw in the towel??/??quit??/??chuck up the sponge
to insert between other elements
同义词:interject??/??come in??/??interpose??/??put in??/??inject
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