Material seal
[化] 料封
?? 詞語組成解析
material
[m?'t?r??l]
n. 材料，原料;素材;布，織物;適當人選;
adj. 物質的;肉體的;重要的，決定性的;辯證的，推論的;
seal
[sil]
n. 密封;印章;海豹;封條;
v. 密封;蓋章;決定;封上（信封）;
??? 情景例句
I've never been able to figure him out.
我一直不能理解他。
If I buy that car, I'll have to borrow some money.
如果我要買那輛車的話，我必須借一些錢。
We have some cheaper ones.
我們有便宜一點的。