Matraite
丙硫锌矿, 锥锌矿
🗣️ 情景例句
I have no time for extra-curricular activities.
我可没时间参加课外活动。
The car is out of order.
这车子坏了。
Because the gravity on the Moon's surface is only a sixth of Earth's
由于月球表面的重力仅是地球表面的1/6-