Rideograph
(测量路面行车平稳性能的)测振仪, 平整度测定仪
🗣️ 情景例句
Maybe I can help. Tell me what it is, Susan.
也许我能帮忙。说给我听听 ，Susan。
In books,are embalmed the greatest thoughts of all ages.
伟大思想古今有，载入书中成不朽。
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。