rationale：根据，理论说明，理论基础

来自rational,合理的，经过思考的，-ale,名词后缀。

• the Real Mccoy
• the Red Crescent
• the Red Cross
• therefore
• the Richter scale
• the Rig Veda
• thermal
• thermodynamics
• thermometer
• thermonuclear
• thermoplastic
• thermos
• Thermos
• thermostat
• therm-,thermo-,
• the Rocky Mountain
• the salt of the earth
• thesaurus
• these
• thesis
• thespian
• the sword of Damocles
• The Sword of Damocles
• the-,theo-
• The Tragedy of Hamlet