Prep.
abbr. (=preposition)(=preparation)\\n
🗣️ 情景例句
But this should be your decision.
但这必须由你做决定。
Altogether it will take ten days to make the trip.
完成旅行将花10天。
Good afternoon, class! Who's on duty today?
同学们，下午好！今天谁值日？