词汇	reversible medium
释义	reversible medium 可逆媒质
随便看	shallow subway tunnel shallow supercritical flow shallow surface shallow survey shallow S-wave velocity structure shallow system shallow system organization shallow tactile shallow talk Shallow Talk on Blurred Mathematics Shallow talk that the merchandise Shallow talk the gearing of the pip shallow tank shallow tank flotation wastewater treatment shallow-temperature survey shallow thick coal seam shallow thick seam shallow thin bedrock shallow thorn acupuncture shallow tight sand gas shallow tillage shallow tone shallow trap shallow trapping level shallow tray femlentation