词汇	shallow seas
释义	shallow seas 浅海
随便看	optical-circuit encoding optical circuit filter optical circuit switching optical circular table optical circulator optical circulators optical clarity Optical Classification and Indexing Scheme optical cleaning agent optical clear Optical Clearer optical clearing optical clinometer optical clock optical clock distribution optical clock extraction Optical clock recovery optical closure theory optical clouration optical clustering optical-coated abrasive optical coating Optical Coating Laboratories Incorporations optical coating materials Optical coatings