育才学习网1. 45用英语怎么写
45的英语是forty-five。
forty-five 英 ['fɔ：tɪfaɪv] 美 ['fɔtɪfaɪv] n. <非正>45口径的（左轮）手枪； 每分钟四十五转的密纹唱片； 双语例句1. I dare you to sit through forty-five minutes with someone like Vincent！ 我想你绝不敢和文森特这样的人一起坐上45分钟！ 2. On the foreign exchanges, the US dollar is up point forty-five. 在外汇交易中，美元上涨了0.45个百分点。 3. Daphne Farlow, at forty-five, still looked and spoke like an overgrown schoolgirl. 45岁的达芙妮·法洛外貌言谈都还像个稚气未脱的小女生。
4. The tremor occurred in Bucharest, where buildings trembled spasmodically for forty-five seconds or so. 布加勒斯特发生了轻微的地震，建筑物间歇性地晃动了约45秒钟。 5. Menstruation may cease when a woman is anywhere between forty-five and fifty years of age. 女性停经是在45至50岁期间。
2. 【1
1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen 20 twenty 21 twenty-one 22 twenty-two 23 twenty-three 24 twenty-four 25 twenty-five 26 twenty-six 27 twenty-seven 28 twenty-eight 29 twenty-nine 30 thirty 31 thirty-one 32 thirty-two 33 thirty-three 34 thirty-four 35 thirty-five 36 thirty-six 37 thirty-seven 38 thirty-eight 39 thirty-nine 40 forty 41 forty-one 42 forty-two 43 forty-three 44 forty-four 45 forty-five 46 forty-six 47 forty-seven 48 forty-eight 49 forty-nine 50 fifty 51 fifty-one 52 fifty-two 53 fifty-three 54 fifty-four 55 fifty-five 56 fifty-six 57 fifty-seven 58 fifty-eight 59 fifty-nine 60 sixty 61 sixty-one 62 sixty-two 63 sixty-three 64 sixty-four 65 sixty-five 66 sixty-six 67 sixty-seven 68 sixty-eight 69 sixty-nine 70 seventy 71 seventy-one 72 seventy-two 73 seventy-three 74 seventy-four 75 seventy-five 76 seventy-six 77 seventy-seven 78 seventy-eight 79 seventy-nine 80 eighty 81 eighty-one 82 eighty-two 83 eighty-three 84 eighty-four 85 eighty-five 86 eighty-six 87 eighty-seven 88 eighty-eight 89 eighty-nine 90 ninety。