en_tn/exo/02/15.md

Now when Pharaoh heard about it

This word "now" is used here to mark a break in the main storyline. Here the author starts to tell a new part of the story.

Now the priest of Midian had seven daughters

The word "now" is used here to mark a break in the main storyline. Here the author tells about new people in the story.

drew water

This means that they brought up water from a well.

trough

a long, narrow, open container for animals to eat or drink out of

drive them away

"chase them away"

helped them

"rescued them"