大気（圏）
back down
ash
atmosphere
blow up
軌道
infertility
orbit
supervise
bilingual
小惑星
let off
asteroid
chapel
tomb
彗星
priest
go through with
comet
call for
隕石
round up
meteorite
happen on
mark out
至、至点
set in
burrow
solstice
stem from
イオン
ion
metallurgy
descent
hydrogen
液体、流動体
go for
dumping
poacher
liquid
治金（術）
define
debris
influential
元素
moth
element
Mars
check up on
Select the first quiz： Ctrl + Enter
View Explanation：Ctrl + G
Close a feedback：Esc
When selecting a quiz
Answer：Enter
Select a choice：↓ or ↑
Reading out the question：Ctrl + K
View Hint： Ctrl + M
I don't know： Ctrl + Y
Don't have an account? Sign up
Do you have an account? Login
DiQt
Free
★★★★★★★★★★
