这枚胸针的历史可以追溯到公元前4世纪。The brooch dates back to the fourth century BC.当他们拿着注射针走近我时，我的呼吸急速加快。I hyperventilate when they come near me with the needle.她母亲数了数编织针上的针数。Her mother counted the stitches on her knitting needles....
Some stretches of beach are completely underwater at high tide.海滩上有些地方在涨潮时完全淹没在水中。The association between the two companies stretches back thirty years.这两家公司的往来可以追溯到30年前。Britain's coastline stretches 4000 kilometres...
这种重要的碳化物向晶体内和晶体间沉淀.This important carbide precipitates both inter and intragranularly.Fe -Cr-C 耐磨堆焊合金中初生碳化物生长方向的控制.Orientation control of primary carbide in Fe - Cr - C hardfacing alloys.提出了避免碳化物带状偏析的有效措施.The effective m...
Why are cellphones so popular, especially among teenagers? The answer.为什么手机这么受欢迎, 尤其在青少年当中? 答案.Even Forman, who tells patients their cellphones may be risky, owes one.就连告诉病人手机可能有风险的人们自己也有一部手机.Radio waves control everythi...