Spotting tool
[机] 钻圆心刀
🧩 词语组成解析
n. 测定点位；合模
tool
[tul]
n. 器具，工具;（有助于做工或完成某事的）用具;受人利用的人;压印机;
vt. 用工具给…加工;压印;驾车到处跑;
vi. 使用工具;开车，乘车;
🗣️ 情景例句
We're already scheduled elsewhere.
我们已经有其他安排了。
Rain before seven: fine before eleven.
早雨不过午。
Meanwhile, a microphone, which was lowered into the mine two hours ago, has enabled the men to keep in touch with their closest relatives.
与此同时，两个小时以前放下井去的一只麦克风使井下的人可以与其亲属保持联系。