1 . We went to a painting exhibition yesterday, which was really a feast for the eyes.(英译汉)

2 . The prospect of welcoming exchange students to our country is very exciting, and I am keen to use my skills to give them a warm welcome and an experience they will always remember. (英译汉)

4 . Although China withdrew from further expeditions after 1433, these land and sea routes remained active channels between other cultures for centuries. （英译汉）

5 . Their letters reminded me of how, by reaching out with just a song or a bit of friendship, you can turn a very tense situation into a peaceful experience. (用标准符号画出句子内部成分, 英译汉)

6 . An area of land held today by a given nation-state in the past likely belonged to a different political empire or kingdom. (用标准符号画出句子内部成分, 英译汉)

8 . If you want to hold a koala, you have to go to certain licensed zoos where animal experts make sure that the koalas selected for each session are in a good state for human contact and that they are handled for only a limited time and on a limited frequency of occasions. (英译汉)

9 . Construction of the plant, with a capacity of 200,000 kilowatts, started in December 2012 by China Huaneng Group Co, Tsinghua University and China National Nuclear Corp. It was first linked to the power grid in December 2021. (英译汉)