英文释义 (noun, SLANG) A large commercial truck, usually having eighteen wheels.
例句 EXAMPLE: The narrow road was completely blocked by a big-rig that had collided with a bus.
短语 at full tilt
英文释义 (INFORMAL) At full speed.
例句 EXAMPLE: At present our new manufacturing processes are still rather slow, but soon we will be operating at full tilt.