Floating-ring seal
[化] 浮环密封
🧩 词语组成解析
floating
['fləutiŋ]
adj. 不固定的，流动的，浮动的;
v. （使）浮动( float的现在分词 );（使）漂浮[飘动];（使货币汇率）自由浮动;轻盈走动;
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
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
I was elected the student body president at my college.
我被选为校学生会主席。
How many pieces are you going to buy?
你要买几个？
That's a good idea.
那真是好主意。