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
Then chocolate it is.
那就吃巧克力的。
You're very stingy.
你也太小气了！
It kept repeating the steps over and over.
蜜蜂一而再，再而三地重复它的"舞步。