"I have been to Japan" 表示去过日本且已返回;"I have gone to Japan" 表示已去日本且尚未返回。 1. **语法结构**:两句话均为现在完成时(have + 过去分词),区别关键在动词(been vs. gone)。 2. **语义分析**: - **have been to**:强调“过去去过某地并已返回”,侧重点是“
Critical Reviews in Oncology Hematology . 2001Davis PA, Sano T. The difference in gastric cancer between Japan, USA and Europe: what are the facts? What are the suggestions? Crit Rev Oncol Hematol 2001; 40: 77-94.Davis PA,Sano T.The difference in gastric cancer between Japan, USA and ...
This study demonstrates seasonality in the composition of faecal microbiota obtained from hunter-gatherers, which corresponds to the availability of different types of foods, and delineates the difference between this population and the industrialized population. Article CAS PubMed PubMed Central Google ...
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Japan Japan (Japanese: 日本, Nippon [ɲippoꜜɴ] (listen) or Nihon [ɲihoꜜɴ] (listen)) is an island country in East Asia, located in the northwest Pacific Ocean. It is bordered on the west by the Sea of Japan, and extends from the Sea of Okhotsk in the north toward th...
Moon phases reveal the passage of time in the night sky. Some nights when we look up at the moon, it is full and bright; sometimes it is just a sliver of silvery light. These changes in appearance are the phases of the moon. As the moon orbits Earth, it cycles through eight distinct...
The Grand Canal is the world's longest man-made river, running from Beijing in the north to Hangzhou in the south. It is one of the most magnificent projects in Chinese history. First built in the 4th century B.C., the Grand Canal was completed in the late 13th century A.D.. Origin...
"Even if they are not used, the symbols A through F – an F is sometimes E in foreign countries – as values for academic performance are familiar to most students. So, in reality, it does not take much time or effort for foreign students to understand the Americ...
f Time-means of the resultant sand flux vector (magenta) and cumulative sand flux vectors (blue) for b; terms denote their lengths, and arrows their directions. g The probability distribution of sand flux directions for b. Black lines denote scale in a, f & g, N is the number of ...
The pandemic really surprised people, because when it took away so much of what they could spend their time doing, a lot of people turned to media. They did that in a way that had significantly outpaced what they’d done before. That shift caused ...