pop

v. /pɑːp/ A1

（使）砰地爆开；突然出现

To make a short sharp sound, or burst open quickly.

仙境例句

A little shell popped open in the hot sun, and out came a baby crab.

一个小贝壳在烈日下啪地裂开，钻出来一只小螃蟹。