Material seal
[化] 料封
🧩 词语组成解析
material
[mə'tɪrɪəl]
n. 材料，原料;素材;布，织物;适当人选;
adj. 物质的;肉体的;重要的，决定性的;辩证的，推论的;
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 would you like to return?
你打算什么时候回来？
Competition between bidders for this valuable painting has been keen.
拍卖时各出价对这幅名画竞争很激烈。
There are some armchairs in the room.
客厅里有几把扶手椅。