信封
Basic Meaning
n
The word often refers to a traditional paper envelope. It is a concrete noun.
envelope (for letters)
装书信的封套。
Words:
纸质信封塑料信封密封信封
Synonyms:
信套封皮
Sentences:
- 这种纸质信封很结实,不容易破损。This kind of paper envelope is very sturdy and not easily damaged.
- 这是一个透明塑料信封,可以看到里面的卡片。This is a transparent plastic envelope, so you can see the card inside.