El salvador
n. 萨尔瓦多
🧩 词语组成解析
abbr. 预期损失（Expected Loss）
[经] 萨尔瓦多
🗣️ 情景例句
I did both with Richard and Susan,
有Richard和Susan时我这样做，
Sure. We are friends since primary school.
当然，我们从小学就是朋友了。
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。