以自然为后盾
This is often backed up by the statement that a love of Nature is a foible of urbanized people who have no notion what Nature is really like.───支持此观念的是这样一种论调:热爱大自然是那些不清楚大自然什么样子的都市人的怪癖。
back to nature───回归自然(牧场物语)
backed water───倒划;退缩;退回原来立场
balance of nature───[生态]生态平衡;[生态]自然平衡;自然生态平衡;自然均衡
by nature───天生地;生性
call of nature───自然的呼唤;上厕所
ease nature───大便;小便
force of nature───自然之力(歌曲名)