... 延安〔系〕 Yengan [series] 延长谷；伸长谷 extended valley 延长河；伸长河 extended river ...
2
?伸长谷
... 延安〔系〕 Yengan [series] 延长谷；伸长谷extended valley 延长河；伸长河 extended river ...
权威例句
1.
That in itself is an accomplishment worth celebrating, but the innovative spirit of San Francisco and Silicon Valley had an impact that extended far beyond northern California.