at the most advanced position in a field
在一个领域中的最先进位置 (zai yi ge lingyu zhong de zui xianjin weizhi)
"The lab is at the cutting edge of medical research."
"实验室处于医学研究的最前沿。" (shiyan shi chuyu **yixue yanjiu de zui qianyan**)
to make a special effort to help someone
to collect things together
someone who is very kind and caring
to speak or act without thinking carefully
the combined power of a group that is greater than the sum o...
thankful for something for a long time