a period of time that a year is divided into, such as winter and summer, with each having three months

季节, 时期
the fourth month of the year, after March and before May

四月, 四月份
the ninth month of the year, after August and before October

九月, 九月份
the season after summer and before winter when the leaves change color and fall from the trees

秋天, 秋季
the season that comes after winter, when in most countries the trees and flowers begin to grow again

春天, 春季
the season that comes after spring and in most countries summer is the warmest season

夏天, 夏季
the season that comes after fall and in most countries winter is the coldest season

冬季, 冬天
the number 20

二十, 20
a number that indicates the position of something in a sequence, such as third, second, etc.

序数, 序号
a time that is arranged to meet a person with whom one is in a relationship or is likely to be in the future

约会 (yuē huì), 约 (yuē)
coming or happening right after the fifth person or thing

第六的, 第六位的
the quantity that is measured in seconds, minutes, hours, etc. using a device like clock

时间, 时刻
put after the numbers one to twelve to show or tell what time it is, only when it is at that exact hour

点钟, 整点
