However, the molecular mechanism of ameloblast differentiation remains unclear.但是, 有关成釉细胞分化的分子机制仍未明确.An open verdict was the only appropriate one , given the very unclear evidence at the inquest.调查发现的证据十分不清楚,只有作出存疑判决才恰当....
Just what the soldier was doing in Bireij is unclear.就连那个士兵在比雷杰干什么都不清楚。To this day, it's unclear whether he shot himself or was murdered.至今尚不清楚他究竟是饮弹自杀还是被谋杀。"Things are moving ahead."— I found that statement vague a...