Bimetallic(spring cone) seal
[化] 双金属密封
🧩 词语组成解析
seal
[sil]
n. 密封;印章;海豹;封条;
v. 密封;盖章;决定;封上（信封）;
🗣️ 情景例句
Mike and I had a hamburger this afternoon, and we talked.
今天下午 Mike和我一起吃汉堡， 一起讨论。
Do not run too fast after gain.
不要见利就拼命追。
There was nothing in the record to show that the foreigner's complaint was justified and the Chief of Police strongly denied the accusation.
材料中没有任何文字记载证明外国人所说的情况符合事实，警察局长矢口否认这一指控。