back and forth什么意思？

She passed the needle through the rough cloth, back and forth.她一针一针地缝那块粗布。The prosecution and defense were bandying accusations back and forth.原告和被告你来我往，互相指责。Max zips back and forth across the living room.马克斯在客厅里快速地来回走动。...

back and forth的音标：back and forth的英式发音音标为：[bæk ænd fɔ:θ]back and forth的美式发音音标为：[bæk ənd fɔrθ]...

The attribute of the hexagram is devotion; its image is the earth.这个卦的属性是“奉献”, 它的表现形式是“地球”....

n.呋喃（型）葡萄糖...

蓝球藻目...

wallpaper的现在进行时为：wallpapering...

她的手腕子纤巧极了.Her wrists were very slim....

“肥胖”的反义词：瘦削, 干瘦, 瘦弱, 消瘦, 苗条, 枯瘦。...

ectropion的音标：ectropion的英式发音音标为：[ek'trəʊpɪən]ectropion的美式发音音标为：[ek'troʊpɪrn]...

cushy的音标：cushy的英式发音音标为：['kʊʃi]cushy的美式发音音标为：['kʊʃi]...

Walters的音标：...

n.脊椎，刺...

arrive的现在完成时为：arrived...

gaff的复数形式为：gaffs...

n.炮，大炮，炮兵部队，炮术，〈美俚〉防身武器...

cinematographer的音标：cinematographer的英式发音音标为：[ˌsɪnəmə'tɒɡrəfə(r)]cinematographer的美式发音音标为：[ˌsɪnəmə'tɑɡrəfɚ]...

Williamson的音标：Williamson的英式发音音标为：['wiljəmsn]Williamson的美式发音音标为：['wɪljəmsən]...