and beyond six or seven they are worthless.
如果超過六七天,天氣預報就沒有了任何價值。
新概念英語第四冊 Lesson 14 The Butterfly Effect

?? 句中詞匯解析

從本句中提取的重要詞匯

worthless ['w?θl?s] 詞頻3
adj. 無價值的,不值錢的;卑微的;不足取的,不足道的;不足輕重;
?? worth價值 + less 無...的→ 無價值的,無用的
"She had been hoodwinked into buying a worthless necklace."
她受騙買了條一文不值的項鏈。
近義:idle, insignificant, lowly, needless, pointless, profitless 反義:helpful, immeasurable, appreciated, inappreciable, inestimable, loved
beyond [b?'jɑnd] 詞頻1
prep. 超過;越過;那一邊;在…較遠的一邊; adv. 在遠處;在更遠處; n. 遠處;
"The road continues beyond the village up into the hills."
那條路經過村子后又往上延伸到群山中。
近義:farther, further, off, out, outside, past
seven ['s?vn] 詞頻1
num. 七;七個;第七; n. 七;七個;
"The journey took approximately seven hours."
旅程大約花了七個小時。

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