勃起(阴茎)，变得勃起，变硬

1. erection (of the penis), becoming erect, stiffening

noun (common) (futsuumeishi) intransitive verb noun or participle which takes the aux. verb suru physiology

涌起(指情感)

2. welling up (of an emotion)

noun (common) (futsuumeishi) intransitive verb noun or participle which takes the aux. verb suru