water bug（水蝽）是什么意思？音标发音+图解场景

水蝽 /ˈwɒspwˈeɪstɪd ˈkɔːsɛt/ n

English: water bug · 水蝽

释义：Large carnivorous insect with a lean flat body; it is widely dispersed and lives in aquatic environments.

这个词出现在以下图解场景（1）