Polycyclopentadiene
聚环戊二烯
🗣️ 情景例句
That movie received a favorable review.
那部电影受到了好评。
I'm going to show him how to swim.
我正要指点他如何游泳。
First the electroencephalograph (which is simply a device for recording the electrical activity of the brain by attaching electrodes to the scalp) shows that while there is a change in the pattern of activity during sleep,
第一点，脑电图记录仪（不过是一种把电极接到头皮上记录脑电活动的仪器）显示，人在睡眠时大脑活动的方式有变化，