a person or thing that protects sb or sth or lessens a shock
a spring put on the front and back of a railway engine or carriage to take the shock when it is connected to another carriage or hits the end of the track
act as a buffer to
"buffered saline solution for the eyes"
"cushion the blow"
She has a tendency to answer questions for him as if he needed her as a buffer between himself and a hostile world.
出自： B. Trapido
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