n. a social or business visitor
n. an investor who buys a call option
n. the bettor in a card game who matches the bet and calls for a show of hands
n. a person who announces the changes of steps during a dance
n. 访客, 召集员, 传唤员
a. 新鲜的
[计] 呼叫方标识
1. The caller asked for information about the new product.
来电者询问有关新产品的信息。
2. I didn't recognize the caller's voice on the phone.
我在电话中没有认出来电者的声音。
3. Please take a message if the caller is not available.
如果来电者不在，请留下信息。