He wrote to friends M through Z.

他开始给从M到Z的朋友们写信。

youdao

Meanwhile, Z-lines broke, m - lines degraded and I band became white.

同时肌原纤维的Z线断裂，M线降解，I带变白。

youdao

Meanwhile, Z-lines broke, m - lines degraded and I band became white.

同时肌原纤维的Z线断裂，M线降解，I带变白。

youdao