词汇	free crosssectional area
释义	free crosssectional area n.自由截面积
随便看	Is that a pear too? Is that a pepper mill and a salt shaker Is that a pepper mill and a salt shaker? Is that a public phone Is that a public phone? Is that a queasy soul Is that a queasy soul? Is that a radio Is that a radio? Is that a regular flight or a charter fight? Is that a regular flight or a charter flight? Is that a resort noted for its hot springs Is that a resort noted for its hot springs? is that a ruler Is that a ruler? Is that a sapphire Is that a sapphire? Is that a shopping list Is that a shopping list? Is that a size 6 hat? If so Is that a size 6 hat? If so,it will do me Is that a stamp Is that a stamp? Is that a strike Is that a strike?