The coughing dislodged the fishbone from his throat.他一咳嗽就把卡在喉咙里的鱼刺咳出来了.I started coughing blood so they transferred me to a hospital.我开始咯血，于是他们把我转到了医院。His hoarseness and coughing showed that he had contracted a cold.他嗓音嘶...
在开始使用前把氢氧化钾电介质压入蓄电池.The potassium hydroxide electrolyte is forced into the cells just before use.碱,拼写为l -y-e,也称为氢氧化钠或者氢氧化钾.Lye - - spelled ly - e -- also called sodium hydroxide or potassium hydroxide.一种强的钠或氢氧化钾溶液.A subs...