surreptitiously
/sʌɹəpˈtɪʃəsli/
secretly, often to avoid notice
“She surreptitiously slipped the note into his backpack.”
添加到 My Deck
/sʌɹəpˈtɪʃəsli/
secretly, often to avoid notice
“She surreptitiously slipped the note into his backpack.”
添加到 My Deck