Apv
abbr. 前后观（anteroposterior view）
🗣️ 情景例句
Who's bringing the booze?
谁带的酒？
How long will you be out?
你将出去多久？
But suppose the earth could be covered with sensors spaced one foot apart,
假设地球上可以布满传感器，每个相隔1英尺，