B
US /biː/
UK /biː/
1.
B, 字母B
the second letter of the English alphabet
:
•
The word 'book' starts with the letter B.
單詞“book”以字母B開頭。
•
Write a capital B at the beginning of the sentence.
在句子的開頭寫一個大寫字母B。
2.
B, 音符B
a musical note with a frequency of 493.88 Hz (B4)
:
•
The song is in the key of B minor.
這首歌是B小調。
•
He played a clear B note on his trumpet.
他在小號上吹奏了一個清晰的B音。
3.
B型血, B型
a blood type
:
•
Her blood type is B positive.
她的血型是B型陽性。
•
People with type B blood can receive blood from types O and B.
B型血的人可以接受O型和B型血。