借助这台望远镜,学生第一次清楚地看到了月球表面的环形山。Jièzhù zhè tái wàngyuǎnjìng, xuéshēng dì yī cì qīngchǔ de kàn dào le yuèqiú biǎomiàn de huánxíngshān.With this telescope, the students clearly saw craters on the surface of the Moon for the first time.
站在山顶上,他用望远镜眺望远处的海岸线。Zhàn zài shāndǐng shàng, tā yòng wàngyuǎnjìng tiàowàng yuǎnchù de hǎi'ànxiàn.Standing on the mountaintop, he used the telescope to gaze at the distant coastline.
天文馆新买了一批望远镜,周末对公众开放参观。Tiānwénguǎn xīn mǎi le yī pī wàngyuǎnjìng, zhōumò duì gōngzhòng kāifàng cānguān.The planetarium has bought a new batch of telescopes and opens to the public on weekends.