词汇	pre-embryonic period
释义	pre-embryonic period 胚前期
随便看	parallel to parallel to coal seam parallel to grain parallel-to-grain compressive strength parallel-to-grain shear parallel-to-grain stress Parallel to or in the plane of the horizon parallel topological sort algorithm parallel T oscillator parallel-t oscillator parallel-to-serial parallel to serial conversion parallel-to-serial conversion parallel to serial conversion,serialization parallel to serial converter parallel-to-serial converter parallel-to-series converter parallel to the axis parallel to the axis of tilt parallel to the grain parallel to the principal line parallel to the roof parallel to/with parallel track parallel track and squint mode