Radial symmetry
径向对称, 放射对称
🧩 词语组成解析
🗣️ 情景例句
May I have your name, Please?
请问尊姓大名？
All are brave when the enemy flies.
敌人逃跑时，个个都勇敢。
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，