Gems
n. 宝石（gem的复数形式）
🗣️ 情景例句
Happy Thanksgiving.
感恩节快乐。
There are as good fish in the sea as ever came out of it.
海里的好鱼是取之不尽的。
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，