1. friendly (adj)
behaving in a pleasant, kind way towards someone
2. solve (v)
giải quyết, tháo gỡ
to find an answer to a problem
3. several (adj)
some; an amount that is not exact but is fewer than many
4. alien (n)
người ngoài hành tinh
a creature from a different world.
5. among ()
giữa, ở giữa
in the middle of or surrounded by other things
6. chart (n)
a drawing that shows information in a simple way, often using lines and curves to show amounts
7. cloud (n)
a group of water drops in the sky.
8. comprehend (v)
to understand something completely
9. describe (v)
to say or write what someone or something is like.
10. ever (adv)
at any time
11. fail (v)
thất bại, trược, hỏng
to not succeed in what you are trying to achieve or are expected to do
12. grade (n)
a score or mark given to someone’s work.