What are the three pronunciations of trillion?

Mega doesn't have three pronunciations, it's not a polyphonic word.

Mega pronunciation: zh ao?

Initial: zh

Rhyme: ao

Meaning:

1, the number refers to one million, and it also refers to one trillion in ancient times.

2. Pre-existing signs.

3. Xue Rui is a good year.

4, ancient refers to the crack caused by burning tortoise shells when divining good or bad luck.

Combination 1, symptom [zh ē ng zhen ao] (name) symptom, omen.

The writing on the wall is auspicious. Omen: an omen. A bad omen.

3. Signs or signs before the event [zhào tou] (name).

4. The omen [yù zhào] (name) is presented in advance.

5. Good omen [jí zhào] (name) is a good omen.