Old English yrþling "plowman" (see earth + -ling); the sense of "inhabitant of the earth" is from 1590s and might be a re-formation, as the word seems to be missing in Middle English. Compare earthman. Earlier in this sense was earthite (1825).
实用例句
1. Protecting the earth our homestead is an unshirkable duty for every earthling.
保护地球家园,是每一位在世者义不容辞的责任.
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2. He formed his own stylelish in his creation, leaving lots of elegant music to the earthling.