B (EN)

字母，名词，符号

字母 “B”

1. 字母“b”的大写形式
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   Before starting the race, make sure your name starts with a "B" if you're in group B.

名词 “B”

1. 十亿
   The company was thrilled to announce their profits had reached $5B this quarter.
2. 表示成绩优于C但不如A的学术等级
   She was happy to receive a B on her math test because it was a tough subject for her.
3. B级（次要的或较低级别的）
   Despite being a B celebrity, she attracted a large crowd at the book signing.
4. B面（唱片的背面）
   After listening to the hit song on the A side of the vinyl, she flipped it over to discover an equally catchy tune on the B side.
5. 一种铅笔，能画出特定深浅的标记。
   For her art project, Sarah specifically chose a B pencil to achieve the perfect shade of grey in her sketches.
6. 在C大调音阶中的第七个音符，即B音的符号。
   In the C major scale, the note right before C is a B.
7. 象棋中的“象”是象征象棋中的“象”棋子的符号。
   In our chess game, I moved my B to capture his rook.
8. 低音
   In the orchestra, the Bs played a deep and resonant line that underscored the melody.
9. “bitch”这个脏话的委婉说法。
   When she overheard him call her a "crazy B," her heart sank.

符号 “B”

1. 字节（计算机术语）
   The photo file is 2MB in size, which means it's 2 million bytes.
2. B型血
   If you have blood type B, you cannot donate blood to someone with type A because of the different antigens.
3. 硼
   Boron, represented by the symbol B, is essential for plant growth.
4. B罩杯
   She realized her dress fit perfectly except for the chest area, indicating she needed a B cup instead of a C.
5. 十一（十进制以上的数制中）
   In hexadecimal, the number after 10 is represented as A, and 11 is represented as B.
6. B（代表氨基酸天冬氨酸或天冬酰胺）
   In the protein sequence, the symbol "B" can represent either aspartic acid or asparagine, depending on the context.
7. 物理学中磁通密度的符号
   The MRI machine uses a strong B field to produce images of the brain.