1.to stopby:顺便访问。如: James had to stop by the registrar’s office tosubmit a transcript request form. Let’s stop by the supermarket and pick up a fewgrocery items. 2.to drop(someone)a line:给某人写信。如: As soon as I get to Florida,I’ll drop you a lineand tell you about my new job. If you have time,drop me a line now and then