Ooblast
成卵細(xì)胞
??? 情景例句
Don't worry, be happy.
別擔(dān)心，開心點(diǎn)。
Nothing is impossible to willing mind (or heart).
有志者事竟成。
They describe how each process goes on to the next.
表述著每道工藝間的銜接情況。