Stelometer
斯坦洛式束纤维强力测试仪
🗣️ 情景例句
I hope it isn't important.
希望不是什么重要事。
Tractors have revolutionized farming.
拖拉机使耕作有革命性的变化。
In his youth, his father and grandfather often told him stories about their family history.
年轻时，他的父亲和祖父常常同他说起他们的家史。