He stood mournfully at the gate waving bye bye.他伤心地站在门口，挥手告别。Dickens felt compelled to return to the stage for a final good-bye.迪肯斯觉得必须返回舞台作最后的道别。Bye Mum, see you in a minute.妈妈，一会儿见。...
黑麦耐贫瘠的酸性的土壤.Rye is tolerant of poor, acid soils.碳酸饮料是酸性的, 就更安全.Carbonated drinks are acidic , and slightly safer.胃传送给我的食物是高度酸性的.The food the stomach deliver to me is highly acid....