The ordinal form of the number eight

• In sequence, coming after the seventh

数字八的序数形式

• 顺序上位于第七之后

The person or thing in the eighth position

排在第八位的人或事物

One of eight equal parts of a whole

• The fraction 1/8

整体的八分之一

• 分数 1/8

Informal US: one eighth of an ounce of marijuana or other drugs

• Approximately 3.5 grams

口语，美国：一八分之一盎司的大麻或其他毒品

• 约 3.5 克

To divide by eight

• To split into eight equal parts

以八相除

• 分成八等份

Music: the interval spanning eight scale degrees; an octave

• The higher note has double the frequency

音乐：跨越八个音级的音程，即八度

• 高音的频率是低音的两倍