ostium

n. 口, 门, 孔 [医] 口, 门口

词形变化

ostia 复数 ostia

释义与例句

n.
  1. 1.

    A small opening or orifice, as in a body organ or passage.

  2. 2.

    Any of the small openings or pores in a sponge.

  3. 3.

    The mouth of a river.

词源

Borrowed from Latin ōstium.

来源：wiktionary