a. 最靠近的（close的最高级）
We call the closest point perigee (近地点), and the most distant point is apogee (远地点).
六级 · CET-6 2024年12月 第2套 · Part III 第36–45题
2018's closest perigee and most distant apogee both happened in January, and the difference was about 30,000 miles.
六级 · CET-6 2024年12月 第2套 · Part III 第36–45题
January's super blood wolf moon eclipse is super because the date lines up with the closest the moon will get to us during January, but the moon won't actually be at its closest for the year until February's supermoon, which you can expect plenty of undue excitement over.
六级 · CET-6 2024年12月 第2套 · Part III 第36–45题
The moon will be closest to the earth when the supermoon occurs in February.
六级 · CET-6 2024年12月 第2套 · Part III 第38题
Passage Two Chimpanzees(黑猩猩), human beings' closest animal relatives, share up to 98% of our genes.
六级 · CET-6 2023年6月 第3套 · Part III 第48–50题