单词	Tongue stone
释义	Tongue stone 医舌石
随便看	single exchange area single exchange rate single exchange system single excitement single executable file single exit visa in one's passport single exon single expansion engine single-expansion piston steam engine single expansion ramp nozzle single expansion steam engine single expansion steam locomotive single-expansion steam locomotive single experience single experiment single exponential model single exponential smoothing single exposure single-exposure single exposure cassette single-exposure holographic interferometry single exposure interferometry single-exposure photography single-exposure printer single extended shaft