Dielectric tests
[电] 介质测试
🧩 词语组成解析
n. 电介质, 绝缘体\\na. 非传导性的
n. 测验（test的复数）
🗣️ 情景例句
Look, can you handle this job or not?
考虑一下，你是否能胜任这份工作？
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
but he has never managed to get enough money to have the church clock repaired.
但始终未能筹足资金把教堂的钟修好。