開裂，裂開到達(dá)成熟期時在一定的位置裂開的口子，以釋放或顯露出內(nèi)含物，如從果實(shí)的裂口處釋放出來的種子或從花粉囊中散發(fā)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.
你把我大衣上那個撕破的口子縫起來了嗎？ Have you sewn up the tear in my coat?
