rock-bottom

adj.

底层的，最低的；

1. We should consider the morals of the bottom limit and can not violate the personal freedom.
   在确立该义务时应考虑最低限度的道德并注意社会秩序与个人自由的平衡。

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What do you do when you hit rock bottom? Responding to drugs in the city of Vancouver
‘Hitting Highs at Rock Bottom’: LSD Treatment for Alcoholism, 1950–1970
Biological thinking in evolutionary psychology: Rockbottom or quicksand?
Low‐frequency ambient ocean noise and sound transmission over a thinly sedimented rock bottom
From surface to mid-water: Is the swordfish longline fishery “hitting rock bottom”? A case study in southern Italy
Stratification among the Disadvantaged: Identifying the Rock-bottom Layers, Indian Journal of Industrial Relations, Oct 2008
Today's enjoyment--tomorrow's dependency. The road towards the "rock-bottom"and the way back.
Rock-Bottom As An Event of Truth
ROCK BOTTOM: COHERENTISM'S SOFT SPOT
Annan Rewrites the Rules for UN Peace-Keeping ; UNITED NATIONS: Admitting That Morale Has Hit Rock Bottom, Secretary- General Calls ...