—— does your sister practice singing English songs? ——Twice a week.
解释下列句子中加横线的词。
①水皆缥碧 ____
②急湍甚箭 ____
③争高直指 ____
④泠泠作响 ____
⑤鸢飞戾天者 ____ ⑥横柯上蔽 ____