物質が化学的に変化する時には、化学エネルギーが放出される。
The student failed to account for the mistake.
When matter is changed chemically, chemical energy is given off.
It will become much warmer in March.
It goes without saying that country life is healthier than town life.
Don't have an account? Sign up
Do you have an account? Login
DiQt
Free
★★★★★★★★★★
