(S (S (PP-SBJ (NP (S-REL (BASENP (NN 先週)) (S-NSBJ (VP (PP-OBJ (BASENP (NNP 西部) (CC と) (NNP 中西部)) (IN を)) (VP (VBV 襲っ) (VP (MD た)))))) (NP (PP (BASENP (NN 熱気)) (IN の)) (BASENP (DT 大きな) (NN 波)))) (IN が)) (COMMA 、) (VP (PP (PP (NP (PP (BASENP (NNP 米国)) (IN の)) (BASENP (NNP 東) (NNP 海岸))) (IN へ)) (IN と)) (VP (VP (NN 移動) (VBV し)) (VP (MD た))))) (PERIOD 。))
先週 西部 と 中西部 を 襲っ た 熱気 の 大きな 波 が 、 米国 の 東 海岸 へ と 移動 し た 。
The massive surge of hot air that has plagued the West and Midwest during last week has now moved over the eastern seaboard of the United States .