地道英语对话：Checking Smoke Detectors(1)

（单词翻译）

A: Hello, this is Betty.
B: Hi, Betty. Larry here. How many smoke detectors¹ are in your apartment?
A: Actually, I have two.
B: Are the batteries² fresh?
A: Both batteries are good.
B: Great. I need to come by and check them myself.
A: No problem, when are you coming by?
B: Thursday at noon. I'll let myself in if you're not there.
A: Okay, remember to lock my door when you leave.
B: I'll be in and out of there in just a few minutes.