脚蹼

yī duì jiǎo pǔ

一对脚蹼

a pair of flippers

gāng kāi shǐ de shí hou yùn dòng yuán shǐ yòng jiǎo pǔ bāng zhù tā men gǎi shàn dǎ tuǐ bìng xún zhǎo shuǐ gǎn

刚开始的时候运动员使用脚蹼，帮助他们改善打腿并寻找水感。

Initially athletes use fins to help the development of kick and feel through the water.