Stelometer
斯坦洛式束纤维强力测试仪
🗣️ 情景例句
What's your favorite food?
你最爱的食物是什么？
Are you watching TV now?
你在看电视吗？
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。