It's extremely good of you to do this for me.
你幫我做了這件事，真是太好了。
瘋狂英語精華演講卡 在美國做生意 - 額外成就感（一）

?? 句中詞匯解析

從本句中提取的重要詞匯

extremely [?k'strimli] 詞頻2
adv. 極端地;非常，很;去;絕;
?? extreme極端的+ly表副詞 →過分地
"The payment offered to the rank and file is extremely poor."
列兵的待遇極低.
近義：highly, hugely, immensely, inordinately, magnificently, mighty 反義：incompletely, nearly, poorly, barely, scantily, scarce

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