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Meaning of 呵欠

Lookup via: Pinyin | Radicals
呵 hē 欠 qiàn HSK 6
yawn
Example Sentences
1
科学家还猜测有羽毛的恐龙会生虱子
,
还认定呵欠在黑猩猩中也是会传染的
。
Scientists also hypothesized that feathered dinosaurs had lice and determined that yawns are contagious among chimpanzees.