She received an hb from her secret admirer.
她收到了暗恋者的情书。
He sent her an hb confessing his feelings.
他给她寄去了表白情书。
Writing an hb is a thoughtful gesture.
写情书是一种体贴的举动。
They exchanged hbs during their long-distance relationship.
他们在异地恋期间互寄情书。
Receiving an hb can brighten someone's day.
收到情书可以让人一天都心情愉快。
She keeps all the hbs she has ever received.
她保存了所有收到过的情书。
He poured his heart out in the hb he wrote.
他在写的情书中倾吐了心声。
Sending an hb is a romantic way to express love.
寄情书是一种浪漫的表达爱意的方式。
They used to communicate through hbs before texting became popular.
在短信流行之前，他们通过情书来交流。
Writing an hb requires sincerity and vulnerability.
写情书需要真诚和脆弱。
How could HB pencils be a security matter? !
HB 铅笔怎么可能事关安全？
来源: Yes, Minister Season 2You may see, too, the letters H for hard, B for black, or HB for both hard and black, which are stamped on the pencil.
你可能也看见了，字母H代表英语的Hard（硬），字母B代表英语的Black（黑），HB就代表又硬又黑。
来源: British Students' Science ReaderNow, unless you're an artist, you've probably never even seen a pencil that's not number 2, also known as an HB pencil outside the U.S.
现在，除非你是个艺术家，你可能从来都没有看过 2 号以外的铅笔，2 号铅笔在美国以外的国家被称作 HB 铅笔。
来源: Scientific WorldHB 3979 is sponsored by Texas State representatives Steve Toth who said in an interview with the national review the facts are very clear very explicit.
HB 3979由德克萨斯州代表SteveToth赞助他在接受国家评论采访时说事实非常清楚，非常清楚。
来源: VOA Standard English_AmericasShe received an hb from her secret admirer.
她收到了暗恋者的情书。
He sent her an hb confessing his feelings.
他给她寄去了表白情书。
Writing an hb is a thoughtful gesture.
写情书是一种体贴的举动。
They exchanged hbs during their long-distance relationship.
他们在异地恋期间互寄情书。
Receiving an hb can brighten someone's day.
收到情书可以让人一天都心情愉快。
She keeps all the hbs she has ever received.
她保存了所有收到过的情书。
He poured his heart out in the hb he wrote.
他在写的情书中倾吐了心声。
Sending an hb is a romantic way to express love.
寄情书是一种浪漫的表达爱意的方式。
They used to communicate through hbs before texting became popular.
在短信流行之前，他们通过情书来交流。
Writing an hb requires sincerity and vulnerability.
写情书需要真诚和脆弱。
How could HB pencils be a security matter? !
HB 铅笔怎么可能事关安全？
来源: Yes, Minister Season 2You may see, too, the letters H for hard, B for black, or HB for both hard and black, which are stamped on the pencil.
你可能也看见了，字母H代表英语的Hard（硬），字母B代表英语的Black（黑），HB就代表又硬又黑。
来源: British Students' Science ReaderNow, unless you're an artist, you've probably never even seen a pencil that's not number 2, also known as an HB pencil outside the U.S.
现在，除非你是个艺术家，你可能从来都没有看过 2 号以外的铅笔，2 号铅笔在美国以外的国家被称作 HB 铅笔。
来源: Scientific WorldHB 3979 is sponsored by Texas State representatives Steve Toth who said in an interview with the national review the facts are very clear very explicit.
HB 3979由德克萨斯州代表SteveToth赞助他在接受国家评论采访时说事实非常清楚，非常清楚。
来源: VOA Standard English_Americas探索常用高频词汇