The ______ is the planet we live on.
Earth
n. The planet where people, animals, and plants live.
Earth
My ______ lives next door.
neighbor
n. A person who lives near you.
(a) neighbor
He made a big ______ in the garden. 他在花园里有了重大发现。
discovery
n. Finding something new or important. n. 发现
(a) discovery
I want to ______ a new island. 我想探索一个新的岛屿。
discover
v. To find something new. v. 发现
(to) discover
I saw the stars with a ______.
telescope
n. A tool for seeing far things, like stars and planets.
(a) telescope
The ______ has many planets.
solar system
The sun and the planets around it.
(the) solar system
Earth is a ______.
planet
n. A large round object in space that moves around a star.
(a) planet
______ is the closest planet to the sun.
Mercury
The small, hot planet, nearest to the sun.
Mercury
