Felt seal
[化] 毡密封
🧩 词语组成解析
felt
[[felt]]
n. 毛毯, 毡\\nvt. 制毡, 使粘结\\nvi. 粘结\\nfeel的过去式和过去分词
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
When you start discussing politics, I'm completely out of my depth.
你们一谈论政治，我就一窍不通了。
Photography is an expensive hobby.
摄影是门花费很多的爱好。
do in fact run out of energy in accordance with the second law of thermodynamics (whether the whole universe does so is a moot point at present).
也都会消耗完其能量（整个宇宙是否如此，目前尚有争论）。