单词	metal heel
释义	metal heel 要紧树根；中空
随便看	chemical,bacteriological,nuclear chemical bait attractant chemical balance chemical balances Chemical band combination Chemical Bank Chemical Banking Corporation chemical barge chemical barking chemical barrel chemical barrier chemical barriers chemical bath chemical bath deposition chemical bath desposition chemical bath disposition chemical battery Chemical Bayer Ltd chemical beam epitaxy chemical beam epitaxycbe chemical beam epitaxy growth technique chemical behavior chemical behavior of topology chemical behaviour chemical behavoir