[] a small symbol (.) that is used to separate different parts of an email or Internet address（用于分隔电子邮件地址或互联网址不同部分的）小圆点◆Please email us at enquiry@oup.com.请发电子邮件到 enquiry @ oup.com。ⓘ The email address in this example would be said as ‘enquiry at o u p dot com’.这个例子中的电子邮件地址读作 enquiry at o u p dot com。●on the ˈdot () exactly on time or at the exact time mentioned准时◆The cab showed up on the dot.出租车准时到达了。◆Please tell him I'll call him on the dot of twelve.请告诉他我会在 12 点整给他打电话。➡ idiom at connect connect-the-dots