伸ばす， 延ばす， のばす
1. to grow long (e.g. hair, nails)
2. to lengthen, to extend, to stretch
3. to reach out, to hold out
4. to straighten, to smooth out
5. to spread evenly (dough, cream, etc.)
6. to dilute, to thin out
7. to postpone
8. to prolong
9. to strengthen, to...
留长、蓄长、长长；拉长、延伸、伸展