🧩 词语组成解析
beech
[[bi:tʃ]]
n. 山毛榉\\n[机] 山毛榉
fern
[fə:n]
n. <植>羊齿植物，蕨类植物;
🗣️ 情景例句
as well as the younger people of Riverdale.
和年轻人服务。
I went to visit an uncle of mine in San Francisco.
我去旧金山看望一个叔叔。
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，