Root extractor
[医] 牙根钳取器
🧩 词语组成解析
root
[rut]
n. 根，根源;原因，本质;祖先;[乐]和弦基音;
vt. 使生根;使固定;根源在于;欢呼，喝彩;
vi. 生根;根除;
n. 抽出器, 拔取的人, 抽出者\\n[计] 抽取字; 析取字
🗣️ 情景例句
Thank you.
谢谢 。
A clean hand wants no washing.
身正不怕影子斜。
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，