2. The base generally refers to the bottom, pedestal, etc. Refers to concrete and tangible things exposed from the ground, and can occasionally be used as a metaphor for the basis of theory or discussion. It can also refer to a military or industrial base.
3. Steam usually refers to steam or water vapor generated by the boiling of steam or water. The extended data baimoney is considered as the root of all evil.
Money is regarded as the root of all evil.
Many languages are based on Latin.
Many languages are based on Latin.
These engines are driven by steam.
These engines are driven by steam.