Microviscosimeter
微粘度计
🗣️ 情景例句
Hi, Mr. Baker. We met before.
嗨， Baker先生， 我们以前见过面。
All things are difficult before they are easy.
凡事必先难后易。
often hampers the full development of a growing personality.
而匆忙的生活常常妨碍个性的全面发展。