reverse; contrary; opposite / (logic) converse

reverse; contrary; opposite

prefer / had better; would rather

direction / person / alternative

(polite) person

way, method (of doing)

a suffix expressing location, direction, or time

a person's appearance (as of body, or style, or face, etc.) / the state or situation of a thing / the general trend, tenor, or feel of a thing / one's social station, status, or quality

(arithmetic) reverse Polish notation

分光法: spectroscopy