E-ticket
US /ˈiːˌtɪkɪt/
UK /ˈiːˌtɪkɪt/

1.
电子机票, 电子票
an electronic ticket, especially for air travel, which is stored in a computer and can be printed out by the customer
:
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I received my e-ticket for the flight via email.
我通过电子邮件收到了航班的电子机票。
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You just need to show your e-ticket at the check-in counter.
您只需在值机柜台出示您的电子机票即可。