Oleorefractometer
油折射计
🗣️ 情景例句
Hi, Alexandra.
嗨， Alexandra。
The evils we bring on ourselves are the hardest to bear.
自作孽不可活。
The plane was then able to rise and it cleared the mountains by 400 feet.
于是飞机可以上升了，它在离山头400英尺的高度飞越了过去。