轰隆

Traditional form:

轟隆

Pinyin (reading):

hōnglōng

Definitions:

• (onom.) rumbling
• rolling

Characters:

• 轰 - rumble, explosion, blast
• 隆 - prosperous, plentiful, abundant

Traditional characters:

• 轟 - rumble, explosion, blast
• 隆 - prosperous, plentiful, abundant