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
I think it's a good idea, Ellen.
我觉得这是个好主意， Ellen。
I never would have thought of it if you hadn't mentioned it.
如果你没提及，我将不会想到它。
rising at one-foot intervals all the way to the top of the atmosphere.
并按1英尺的间隔从地面一直排列到大气层的顶端。