Liquid seal
[化] 液封
🧩 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
Thanks.
谢谢。
Silence is sometimes the severest criticism.
沈默有时是最严厉的批评。
They must keep their hands behind their backs.
他们得一直将手放在背后。