About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大約每月一次。不太經常寫信，因為我倆的時間都很緊。我們都有做不完的事。
初三英語課文 Unit 24 Mainly Revision

?? 句中詞匯解析

從本句中提取的重要詞匯

once [w?ns] 詞頻1
adv. 一次，一趟;一倍;曾經;一旦; conj. 一旦…就…;一經; n. 一次，一回;
?? on=one一+ce次 → 一次
"Once in the bloodstream, the bacteria adhere to the surface of the red cells."
細菌一進入血液里，就附著在紅細胞表面上。
近義：heretofore, occasionally, onetime, previously, sometimes, thereinbefore
because [b?'k?z] 詞頻1 詞根: be
conj. 因為;
?? cause, cuse 表原因,目的;司法程序,訴訟
"He was arrested because of his political affiliation."
他因所屬政黨的關系而被捕。
近義：since, whereas, for, forasmuchas
neither ['nie?]
adj. （兩者）都不的; pron. 兩者都不; adv. 兩個都不;既不…也不; conj. 也不;既不;
?? n(not)+either→既非；皆不；兩者都不
"Neither party is willing to compromise and herein lies the problem."
雙方都不愿意妥協，問題就在這里。
近義：no, either 反義：likewise, moreover, too, withal, besides, then
often ['?f(t?)n] 詞頻1
adv. 常常;經常;時常;再三;
?? 十(ten)有八九的(of)， 經常的
"Sleep has often been thought of as being in some way analogous to death."
人們常常認為睡眠在某種意義上來說類似死亡。
近義：manyfold, oft, oftentimes, repeatedly, usually, offtimes 反義：infrequently, occasionally, seldom, sometimes
time [ta?m] 詞頻1
n. 時間;時刻;時代;次; vt. 為…安排時間;測定…的時間;調準（機械的）速度;撥準（鐘、表）的快慢; vi. 合拍;和諧;打拍子; adj. 定時的;定期的;[美國英語]分期（付款）的; int. [體育]時間到，（一場或一局等的）比賽時限，暫停;
"I can only carry two at a time."
我一次只能帶兩個。
近義：clock, lifetime, period, season, chapter, aeon

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