# The cows went straight in the direction of Beth Shemesh

Nursing cows would normally return to their calves, but these cows went to Beth Shemesh.

# lowing as they went

Lowing is the noise cows make with their voices.

# they did not turn aside either to the right or to the left

"they did not wander off of the highway." This can be stated positively. Alternate translation: "they stayed on the highway" or "they went straight ahead"