Vocabulary

preventive medicine; prophylactic

preventive measure; precautionary measure

preventive war

immunization; immunisation; shots; inoculation; preventive injection

precautionary measures

prophylactic (drug); preventive medicine

reserved word; keyword

reserved; engaged

person who makes a booking or reservation; booker; subscriber (e.g. to a magazine)

publication after securing subscriptions

subscription list

preparatory command

bell signalling that work, class, etc. will formally begin shortly; first bell; warning bell

farewell meeting; send-off

other; another; remaining; leftover

something not needed; person who is in the way

fully; thoroughly

another method; another problem

too much; excessive; too

leftovers; remains; leavings; remnant; surplus

implied meaning

(sound) lingering in the air; trailing notes (of a bell, etc.)

posthumous honors; posthumous honours

burning embers

lingering smoke

complementary angle

lingering winter

another method; another problem

side line; avocation

unavoidably; necessarily; inevitably

lingering odor; lingering odour

fortunate heredity; blessings; the rewards of virtue; something bequeathed to posterity

none of your business; not your concern

cosine

afterglow; lingering light

lingering odor; lingering odour

spare cash; available funds; remaining fortune

other things; the rest; leisure tasks

old remaining customs

lingering odor; lingering odour