main belt
短语词形变化
main belts
复数
the main belt
别名
Main Belt
释义与例句
n.
-
1.
The primary belt of armor protecting the sides of a warship above and slightly below the waterline.
政治 军事 航海 交通
name
-
1.
Synonym of asteroid belt; the main asteroid belt in the Solar System located roughly between the orbits of the planets Mars and Jupiter.
天文