First of all, let's talk about the word code, which means "password, code" All kinds of "codes" we use now can use codes. Everyone knows the QR code, or English code, and OR code is the quick response code. Now you need to scan the health code when entering and leaving major places. It can be expressed as follows: You have to show your health QR code, and then you can enter the shopping mall.
You must show your health code to enter the mall. The English expression of Travel code can be: travel code, which is also commonly used in the external network.
How do you say the "*" on the itinerary code will never be seen again? Of course, you might say: Can I just say stars? Emm, it is understandable for foreigners to explain a little, but the standard statement is not that simple. The most commonly used word is: asterisk /strsk/. Speaking of this word, it involves an important Latin root astro /astra/ aster (star).
In Greek mythology, the god of the stars is called "Astray Oss", which is the god of the stars in ancient Greece, that is, the one pictured below. He rules the stars. His name Astraeus means "the stars rise" in Greek, so the three roots of "star" in English -/astro-/astra- all come from his name.