Filter out all the dirt before using the water.在用水以前先将其中不清洁的东西过滤掉.We must filter out the dirt.我们必须滤除尘垢.Such questions help him filter out and listen for significant information.这些问题帮助他滤出,并听取了重要资料....
积成小堆和弓形的条条,但谁都不把它拂去.It gathered in little heaps and curves and no one brushed it off.星海公园有800米长的海岸线, 弓形的海水浴场.Star Sea Park is a 800 - meter long, bow - shaped bathing beach.虹是弓形的.A rainbow is a bow....