Microdot
a. 微粒的\\nn. 微粒照片, 小粒迷幻药
📖 牛津释义
microdot
n
photograph, usu of secret documents, etc, reduced to the size of a dot 微粒照片（缩小至颗粒大小的照片, 通常为密件）.
🗣️ 情景例句
When I was asked to speak in English.
刚才当被要求说英语的时候。
Between two stools one goes the ground.
脚踩两只船，早晚要落水。
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。