sign on
فعل- To join something, after signing.
- To commit oneself, as to a project, a goal, an organization, a cause. · I never signed on for this.
- To begin broadcasting a radio or television signal, usually at the beginning of a broadcasting day and after being off the air for several hours. · Years ago, the TV station would sign on at 5 a.m., but now it broadcasts 24 hours a day.
- To log on; to start using a computer, radio, or other multicast device; to start talking.
تعلّم sign on في نصوص حقيقية
مع حساب مجاني، مرّر المؤشر فوق أي كلمة في المكتبة لترى معناها، واستمع إليها مقروءة بصوت عالٍ، واحفظ الكلمات لمراجعتها في مواعيد تناسب ذاكرتك، واعرف مقدار ما تعرفه من كل كتاب.