n. 信封( envelope的名词复数 )
网络 包略线指标; 包层; 小信封
I´m tired of licking envelopes.
我舔信封都舔烦了。
She had 500 leaflets to stuff into envelopes.
她得把500份传单装进信封里。
Catherine put all the envelopes aside unopened.
凯瑟琳把所有信封都放了进去,一个也没打开。
They took sheets of paper off piles, collated them and put them into envelopes.
他们从纸堆中拿出一沓一沓的纸,整理好并放入信封中。
Please give me some envelopes.
请给我一些信封。