submersible

n, adj (ship or craft) that can be submerged 可潜入水中的（船只等）: exploring the sea bed in a submersible 乘潜水器探测海底.

subjective, subjectively, subjectivity, subjoin, subjugate, subjugation, subjunctive, sublease, sublet, sublimate, sublimation, sublime, sublimely, subliminal, sublimity, submarine, submariner, submerge, submerged, submergence, submission, submissive, submissively, submissiveness, submit, subnormal, suboptimization, suborbital, subordinancy, subordinate, subordination, suborn, subornation, subpoena, subroutine, subscribe, subscriber, subscriber trunk, subscript, subscription,