編按：作者表示，「那年，父親七十九歲，中年曾動過心臟手術的他，身體雖稱不上硬朗，但生活打理、行動力皆自在裕如， […] A bomb cyclone is a quick drop in air pressure �?at least 24 millibars in 24 hrs �?and sometimes is more than or near oceans or seas since it calls for warm moist air