【物理】内部聚焦（内部聚焦）

internal control system

female internal genital organs【解剖】;organa genitalia feminina interna【解剖】

internal mammary artery

Internal Expulsion and Pain-Relieving Decoction

internal root sheath

internal blowing mammary welling-abscess

cardinal cell【昆】;discoidal triangle【昆】;internal triangle【昆】

internal recycling