Instron
拉伸强度试验机
🗣️ 情景例句
Have gone to the railroad station.
去火车站。
Americans wonder what has become of the idealism of the last decade.
美国人的理想主义，不知道在这十年间变得怎样了。
One moring she was working at her desk in the library when a boy came in.
一天早上，她正在图书馆里伏案工作，这时，一个男孩走进来。