開裂，裂開到達成熟期時在一定的位置裂開的口子，以釋放或顯露出內含物，如從果實的裂口處釋放出來的種子或從花粉囊中散發出的花粉
An opening at definite places at maturity to release or expose the contents, such as seeds from a fruit or pollen from an anther.
一組卡片，通常是一疊完整的穿孔卡片，它具有確定的服務對象和明確的用途。
A collection of cards, commonly a complete set of cards which have been punched for a definite service or purpose.
一種表示確定的概念或觀念的語言元素，例如字樹。
An element of language that expresses a definite image or idea, for example, the word tree.
