Urethanes
聚氨酯橡胶
🗣️ 情景例句
You know it isn't true.
你心里明白那不是真的。
Is the coastal plain good for farming?
沿海的平原对耕作有好处吗？
But neither psychiatric interviews nor objective tests were able to show any effects upon these American sailors.
但是，不管是进行精神病学的调查访问，还是进行客观的测试，都不能显示噪音对这些美国水兵有任何影响。