英語語法 The counter of the sink has many grooves al

水槽的臺面（The counter of the sink）有許多槽（grooves），水可以沿著槽流下去。

The counter of the sink has many grooves (along which the water will run off).

本句主語The counter of the sink，謂語has ，賓語many grooves 。along which the water will run off是定語從句，修飾grooves.

將本句分為兩句話：

The counter of the sink has many grooves. The water will run off along the grooves.