A foot is not a card. Yes, the pronunciation is zh m:. The basic meaning is to open the thumb and middle finger (or little finger) to measure the length; Also used as a quantifier, it refers to the distance between the thumb and the ends of the middle finger (or little finger): two feet wide. How long is the distance between the two legs? It varies from person to person and from the size of the palm. It cannot be a fixed length.

General meaning:

1, verb.

Open your thumb and middle finger (or little finger) to measure the length [span]. Give the table a punch.

2. quantifiers.

The distance between the two ends of the open thumb and middle finger (or little finger) [span]. This cloth is three feet wide.

English translation:

Span (measured by hand); ?

Span (unit of length, based on the width of human hands)

In order to let students know the length of each leg, they can measure it by themselves. Open your palm, press it on the table, pose in a fixed position, and measure forward from a certain point with the same force. For example, if you measure 5 feet, first measure the total length with a ruler, then divide it by 5 and get the average, which is your own length.

Sometimes in order to measure the length and width of the desktop, and there is no ruler around, you can use a "ruler" to measure it, or you can measure the approximate length without requiring great accuracy. This is a "ruler", which is easy to carry and use.

Extended data:

Dialect set

◎ Cantonese: zaa6

◎ Hakka Dialect: [Hakka English Dictionary] zan3 (cok7) [Sixian Dialect of Taiwan Province Province] zan3 cok7 (ngiam5) [Meizhou Dialect] zak7 [Hailufeng Dialect] zan3 cok7 (ngiam5).

◎ Some places in the north (such as Tianjin) are used to saying "H m"