企口...

matchboards的音标：matchboards的英式发音音标为：['mætʃbɔ:dz]matchboards的美式发音音标为：['mætʃbɔdz]...

matchboard的音标：matchboard的英式发音音标为：['mætʃbɔ:d]matchboard的美式发音音标为：['mætʃˌbɔd]...

n.企口板...