Bds
abbr. 用硬紙板作封面（bound in boards）
??? 情景例句
You are the very person we want.
你就是我們要的人選。
Revolutions are not made with rosewater.
革命不是玫瑰香水做成的（指：革命不能采用溫和的辦法）。
Now, this is the chemistry lab. Have you been in this lab before?
好啦，這是化學實驗室。你們以前到過這個實驗室嗎？