YOU SAID:

Tributaries flow downward toward the main river pulled by gravity

INTO JAPANESE

支流は重力によって引っ張られて主要な川に向かって下向きに流れます

BACK INTO ENGLISH

Tributaries are pulled by gravity and flow downwards towards the main river

INTO JAPANESE

支流は重力によって引っ張られ、主要な川に向かって下向きに流れます

BACK INTO ENGLISH

Tributaries are pulled by gravity and flow downwards towards the main river