1 He began to write poems in his thirties.问:最后为什么用thirties而不用thirty?2 When he moved to England in the fifties,he was already in his forties.问:为什么fifty和forty都用复数?3 A nucleus is about one millionth the size of
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![1 He began to write poems in his thirties.问:最后为什么用thirties而不用thirty?2 When he moved to England in the fifties,he was already in his forties.问:为什么fifty和forty都用复数?3 A nucleus is about one millionth the size of](/uploads/image/z/2837785-49-5.jpg?t=1+He+began+to+write+poems+in+his+thirties.%E9%97%AE%EF%BC%9A%E6%9C%80%E5%90%8E%E4%B8%BA%E4%BB%80%E4%B9%88%E7%94%A8thirties%E8%80%8C%E4%B8%8D%E7%94%A8thirty%3F2+When+he+moved+to+England+in+the+fifties%2Che+was+already+in+his+forties.%E9%97%AE%EF%BC%9A%E4%B8%BA%E4%BB%80%E4%B9%88fifty%E5%92%8Cforty%E9%83%BD%E7%94%A8%E5%A4%8D%E6%95%B0%3F3+A+nucleus+is+about+one+millionth+the+size+of)
1 He began to write poems in his thirties.问:最后为什么用thirties而不用thirty?2 When he moved to England in the fifties,he was already in his forties.问:为什么fifty和forty都用复数?3 A nucleus is about one millionth the size of
1 He began to write poems in his thirties.
问:最后为什么用thirties而不用thirty?
2 When he moved to England in the fifties,he was already in his forties.
问:为什么fifty和forty都用复数?
3 A nucleus is about one millionth the size of an atom.
问:为什么用millionth而不用million?
1 He began to write poems in his thirties.问:最后为什么用thirties而不用thirty?2 When he moved to England in the fifties,he was already in his forties.问:为什么fifty和forty都用复数?3 A nucleus is about one millionth the size of
12题的用法是短语 in one's thirties/fifties...数字复数,这个是表示在某人多少岁时,例如,在他三十几岁时,但没说明确切是几岁,只是31-39里边的一个数字而已.
3的意思是 核子大约是原子的百万分之一.这里表示分数的.millionth就是百万分之××的意思.你要用million的话就要用 one in one million这样表达.
3. millionth 百万分之一的
原子核的大小是原子的百万分之一。