Tightness test
[化] 紧密性试验
🧩 词语组成解析
n. 坚固, 紧密\\n[化] 紧度; 严密度
🗣️ 情景例句
However, through my experience in business at home and abroad.
但从事国内外的商业的经历中。
He has been to America.
他去过美国。[曾经有过的经验]
It's a desk.
一张书桌。