Fourasn.富拉(在法国；西经 1º06' 北纬 45º59')fournum.四four-plus-one address四加一地址four point transformation四点变换fourdrinier paper machine长网抄纸机four hundred and thirteen(=413) 四百一十三four-two-one syndrome四二一综合征four-arm-olfactometer四臂嗅觉仪four - word proposition四词介词Four- Generation Family四世同堂Four Sentences of Heng Qufour dimensional universe四维宇宙