Breakthrough experiment
[化] (离子交换)穿透实验; 流穿实验
🧩 词语组成解析
breakthrough
['brek'θrʊ]
n. 突破;穿透;重要技术成就;炉衬烧穿;
🗣️ 情景例句
when the dog scratched on the front door.
当那狗在抓前门时。
He always keeps his words.
他总是信守诺言。
Are there any flowers in the picture?
画里面有花吗？