如果带着闹钟让你感到心里踏实，那就值得携带。If an alarm gives you that feeling of security, then it'sworth carrying.那笔债不了结,我的心就踏实不下来.I shall never feel satisfied until that debt is wiped off.医生笑了笑,让人心里很踏实.The doctor smiled reassuringly....
Obviously, they know the difference between fluorite and ED.显然, 这些生产商们知道ED与萤石之间的差别.The seeming disorder of calcite highlights the geometric precision of fluorite.矿物质图片画廊.外观紊乱的方解石突出几何精确度的萤石.The cerium oxide preferably has...