词汇	a heavy heart
释义	a heavy heart. 沉重的心情
随便看	radial admission radial-admission radial advance radial advancement method radial aeration air radial aeroengine radial aero-engine radial agenesis radial aggregate radial air cooled engine radial air-cooled engine radial air deflector radial air duct radial air fan regulator radial air gap radial airproof patch radial air stream radial alignment radial alignment constraint radial AMB radial amout of deflection radial-and-axial ball bearing radial and axial cooling radial and axial play radial-and-axial roller bearing