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
I could tell something was up by the look on their faces.
我一看他们的脸色就知道有事。
Do you know when he will be back?
你知道他什么时候会回来？
He must, for example, perceive an egg as a simple single solid shape,
以鸟蛋为例，观赏者必须感觉到它是一个单一的实体形态，