A foot is generally about 20 cm, but it also varies from person to person.
"Open your thumb and middle finger (or little finger) to measure the length; Also used as a quantifier, it refers to the distance between the ends of thumb and middle finger (or little finger), which is one foot wide.
For example, if you are in a hurry to buy something and can't find a ruler at the moment, you can determine the length with your fingers, which is also a shortcut to solve the problem.
Body as a method of measuring length
1, when
China's approximate unit of length, based on the straight length of an adult's arm, is about five city feet. 1 ft equals 0.333m (three decimal places reserved) = 33.3cm, so a length =5ft = 5 * 33.3 =166.5cm.. And 1 m = 100 cm, then the length of a pile-1m =166.5-100 = 66.5 cm.
2. Wrist ruler
The term wrist ruler is widely used in Egypt, Greece and Rome and is used as their unit of measurement. A Greek wrist ruler is about 18.22 inches (about 46.38 cm), and a Roman wrist ruler is about 17.47 inches (about 44.37 cm).
The pronunciation of "one" is y, y and yīzhǎ m:.
It means to open your thumb and middle finger, and the distance between the two ends is about five inches. The source is Ru Zhijuan's "Three Walks to Zhuang Yan": "Come and fix dad, bite a small cigarette bag in his mouth all day and bury himself in work." Thumb: Also called "thumb", it usually refers to the first finger of the hand. Open: separate closed things. An open umbrella.
Distance: in space or time; Tianjin is about120km from Beijing. It has a history of 1000 years since the Tang Dynasty; Or the length of separation: equal distance ㄧ open a certain distance ◇ His opinion is far from yours.
The correct measurement method of a foot:
One foot =5 inches =20 cm. "Open your thumb and middle finger (or little finger) to measure the length; Also used as a quantifier, it refers to the distance between the ends of thumb and middle finger (or little finger), which is one foot wide. For example, if you are in a hurry to buy something and can't find a ruler at the moment, you can determine the length with your fingers, which is also a shortcut to solve the problem.
As can be seen from Kangxi Dictionary, the initial "squeezing" and "squeezing" are interlinked, and the meaning of squeezing hard has a certain relationship with punishment. A form of torture inflicted on female prisoners in ancient times.
"Rubbing" is the punishment of pinching the prisoner's fingers, so it is also called rubbing (an ancient instrument of torture, put a rub into the finger and then tighten it hard). During the Tang, Song, Ming and Qing Dynasties, the government once tortured female prisoners to extract confessions. However, "Yi language" has no relevant records, and it should be spoken by the people. According to "It takes two hands to make a ring", there should be this saying in the Song Dynasty.
Yi Yi's words:
1. This woman is very delicate, and her face looks less than a foot long.
2. The pencil box less than one foot feels very impractical.
3, five or six-year-old children really have a lot of hands, and one foot is about to catch up with adults.
My brother has a one-foot-long panda toy, which is his favorite.
Look at this foot-long sapling and imagine it growing in your mind.
6. Cotton fields should be harvested early, and wheat should be harvested later.