Magnetooptics
[复]n.[用作单][物]磁光学
🗣️ 情景例句
but when I received the letter
但是当我收到那封信
At open doors dogs come in.
狗从开着的门中进来。
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-