适马18-50mmF2.8镜头：京东此款商品原价4099元，现在活动售价只要3799元！一个购买即可享受实付价3799元的优惠！SIGMA18-50mmF2.8是一款APS-C画幅标准变焦镜头。它采用了一片SLD镜片和3片高精度玻璃磨铸非镜面镜片， ...

Diego, a Venezuelan urbanist, and Elena, a contemporary dancer from Barcelona, move to the United States to start a new life.

Diego, a Venezuelan urbanist, and Elena, a contemporary dancer from Barcelona, move to the United States to start a new life.

适马官方今日宣布，将推出四款RF卡口F1.4DCDN系列镜头。这些产品的国行售价和上市日期尚未公布。根据海外版本的公布信息，以下是对这四款镜头的简要介绍。首先推出的是16mmF1.4DCDN|Contemporary镜头，售价为489美元 ...

"Staging Dunhuang," the opening exhibition of Dunhuang Contemporary Art Museum, is on show through May 31, 2025.

Classical studies had a strong practicality during the time of their inception. However, in modern society thousands of years later, what is the practical significance of classical literature? Can it ...