The arrests of suspected al-Qaeda supporters in Europe this week illustrate the evolving challenge authorities face in identifying and keeping watch over terror suspects, as radicals from increasingly disparate backgrounds gather in smaller, overlapping cells.
290の構文: S[The arrests of suspected al-Qaeda supporters in Europe this week] V[illustrate] O[the evolving challenge (that) authorities face in identifying and keeping watch over terror suspects], 従{as S[radicals from increasingly disparate backgrounds] V[gather] ADV[in smaller, overlapping cells]}.
S[The arrests of suspected al-Qaeda supporters in Europe this week] V[illustrate] O[the evolving challenge (that) authorities face in identifying and keeping watch over terror suspects], 従{as S[radicals from increasingly disparate backgrounds] V[gather] ADV[in smaller, overlapping cells]}