Many shops along the route have been boarded up in case of trouble.沿途很多商店的门窗都用木板封上了，以防不测。...betting shops.彩票销售点I am just going down the shops.我正要去商店。Some shops gave wrong or inadequate advice when dispensing homeopathic ...
任何有较强重力的物体都会对其他物体产生引力。Anything with strong gravity attracts other things to it.重返大气层的航天器受到重力的作用。Spacecraft which are re-entering the earth's atmosphere are affected by g forces.由于重力的关系,苹果往下掉.An apple falls down beca...