譬如對新冠病毒和疫苗的研究。
譬如對新冠病毒和疫苗的研究。
• 嗯,俺也剛想到這個差別。是從語言上看 -stonebench- ♂ (191 bytes) () 05/05/2021 postreply 20:52:55
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