Commercial use test
[化] 实用试验; 实际使用试验
🧩 词语组成解析
🗣️ 情景例句
Staff only.
员工专用。
Tractors have revolutionized farming.
拖拉机使耕作有革命性的变化。
When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London, they were not taken seriously.
当伦敦动物园接到报告说，在伦敦以南45英里处发现一只美洲狮时，这些报告并没有受到重视。