英语单词:invisible ink

意思翻译

invisible ink

noun [ U ] uk/ɪnˌvɪz.ɪ.bəl ˈɪŋk/ us/ɪnˌvɪz.ɪ.bəl ˈɪŋk/

隐形墨水

ink that cannot be seen until it is treated with chemicals or heat

It's a secret message written in invisible ink. 这是一条用隐形墨水写的秘密消息。