Those born with a male anatomy may notice their muscles enlarging and their voices deepening.

那些天生具有男性解剖结构的人可能会注意到他们的肌肉在变大， 声音也在变低。

Narrator: But the complex male anatomy isn't the only problem.

旁白: 但复杂的男性解剖结构并不是唯一的问题。