HSK 7-9
浩瀚
hàohàn形
vast (of ocean); boundless
夜空浩瀚得令人心生敬畏。
Yè kōng hào hàn de lìng rén xīn shēng jìng wèi.
The vast night sky fills people with awe.
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Appears across levels (7-9) in the HSK 3.0 word list.