单词	three column core
释义	three column core 🌏三柱型铁心
随便看	is this road? Is this roof completely watertight Is this roof completely watertight? Is this room disengaged is this room disengaged? Is this room disengaged? Is this Room Service Is this Room Service? Is this salty or sweet Is this salty or sweet? Is this satisfactory Is this satisfactory? Is this school badge yours Is this school badge yours? Is this seat free? Is this seat non-smoking Is this seat non-smoking? Is this seat taken Is this seat taken? Is this seat vacant Is this seat vacant? Is this seat vacant ? Is this short-term thinking is this short-term thinking? Is this short-term thinking?