时间: 2025-07-01 13:57:49
发音：kǒu (口) is pronounced as 'koh' in English, with a rising tone. The pronunciation is similar to the sound of a person saying 'oh' with their mouth wide open.
他张开嘴巴，露出了洁白的牙齿。(Tā zhāng kāi zuǐbā, lù chū le jiébái de yáchǐ.) - He opened his mouth and showed his white teeth.
这个洞口很深，要小心。(Zhège dòngkǒu hěn shēn, yào xiǎoxīn.) - This hole is very deep, be careful.
这条河的入海口很宽阔。(Zhè tiáo hé de rùhǎikǒu hěn kuānkuò.) - The estuary of this river is very wide.
这个瓶子的瓶口很小。(Zhège píngzi de píngkǒu hěn xiǎo.) - The mouth of this bottle is very small.
这个山洞的洞口很隐蔽。(Zhège shāndòng de dòngkǒu hěn yǐnbì.) - The entrance of this cave is very hidden.
字源：The character '口' (kǒu) is one of the oldest characters in Chinese, dating back to the oracle bone inscriptions of the Shang Dynasty (1600-1046 BC). It is believed to represent the shape of a human mouth.
演变：The character '口' has remained relatively unchanged throughout its history, with only minor variations in its form. In ancient scripts, it was often depicted as a more abstract shape, but it has since evolved into its current, more recognizable form.
Think of the character '口' as a picture of a mouth. Imagine yourself opening your mouth wide to say 'ah' and that will help you remember the character.
The character '口' is already a simple character and does not need to be decomposed further. It is a single, recognizable shape that represents a mouth.