當前位置：外匯行情大全網 - 外匯開戶 - one group was exposed throughout their night-time sleeping hours to the same three vowels.
one group was exposed throughout their night-time sleeping hours to the same three vowels.
可以調整語序來看 one group was exposed to the same three vowels throughout their night-time sleeping hours. 整句意思為：壹個組整夜的睡眠時間都面對著三個相同的元音。 be exposed to是面臨、遭受的意思，throughout引導壹個時間狀語，對前面的事件作補充說明，可以放到句末來理解。