invisible ink

常见例句

the relevant part of the statement must be written in invisible ink.
声明中相关部分必须用隐形墨水书写。
An identity borrowed from a dead Canadian, forged passports, messages sent by shortwave burst transmission or in invisible ink.
使用借来的已经去世的加拿大人身份证件，他们伪造护照，利用短波脉冲发射设备传递信息或者是用隐形墨水书写重要情报。
The American delegation is claiming that it "sends a clear message" and "increases North Korea's isolation"; the relevant part of the statement must be written in invisible ink.
美国代表宣称它“传递了一条明示”而且“加剧了朝鲜的孤立”；声明中相关部分必须用隐形墨水书写。

But the stock was bid for as if the disclosures had been written in invisible ink.
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