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Why is science in the fifth grade of primary school a flash in the pan?
A flash in the pan means that good things happen for a short time. Epiphyllum is a shrubby succulent plant, which is native to tropical desert areas of Central and South America. Its flowers are beautiful, but the flowering time is only 3 to 4 hours, which is very short. People use a flash in the pan to describe the impermanence of good things. Similar idioms include snap of a finger, crackling, fleeting and so on.

Description: Epiphyllum, the opening time is very short. It is a metaphor that beautiful things or scenes appear for a short time.

A beautiful thing or scenery appears for a while and then disappears. It is also a metaphor for rare things or prominent people who only appear for a while and then disappear.

English explanation: flowers are called epiphyllum for short; Such as a flash in the pan; Finally, let's talk briefly; Jiutian & apossworder

Degree of common use: common idioms

Emotional color: neutral idioms

Synonyms: fingers, crackle, fleeting, lightning exposure, fleeting.

Antonym: protracted, eternal, eternal, the seas run dry and the rocks crumble.