periods

英 ['pɪrɪədz] 美 ['pɪrɪədz]

• n. 周期
• 名词period的复数形式.

英英释义

名词 period:

1. an amount of time

2. the interval taken to complete one cycle of a regularly repeating phenomenon

3. (ice hockey) one of three divisions into which play is divided in hockey games

4. a unit of geological time during which a system of rocks formed

5. the end or completion of something

6. the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause--Hippocrates--Aristotle

7. a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations

例句

用作名词 (n.)

1. The bitch's cycle is divided into four periods.
   母犬的发情周期被分为一下四个阶段。
2. Timer must be disabled when graphing readings for extended periods.
   当在观看较长周期的图形和读值时，必须关闭定时器。