OAL

OAL is a three-letter abbreviation that may refer to:

单词	OAL
释义	OAL 英语例句库 Bilateral oal thickenings of the surface ectoderm, called nasal placodes, then deelop on each side of the inferior part of the frontonasal prominence. 外胚层表面呈双边卵圆形增厚形成鼻板，然后发展成为额鼻隆起的下半部分。英语百科 OAL OAL is a three-letter abbreviation that may refer to:
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