Pre-testing
n. （广告业中的）预先测试
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
testing
[['testiŋ]]
n. 测试\\na. 吃力的, 试验的
🗣️ 情景例句
You made a tough decision.
你做了一个困难的决定。
What the heart thinks, the tongue speaks.
心直口快。
they aroused great interest at the time, they had important theoretical consequences,
这些观察在当时引起了人们极大的兴趣，具有重要的理论意义，