Efficacious（[ˌefi'keiʃəs]）：n. - 完整释义与助记

✅ 同义词

operative active effective effectual efficient

incapable ineffective ineffectual inefficacious inept inexpert inoperative noneffective nugatory shiftless

-fac-表示“制作” 常见变体有-fic-、-fig-、-fect-、-feat-

efficacious adj (fml 文) (not of people) producing the desired result; effective （不用以指人）有效的 an efficacious treatment, medicine, etc 有效的治疗、药品等.

factual adj. 事实的，真实的;根据事实的;确凿的;

benefactor n. 捐助者;施主;恩人;

fictional adj. 虚构的;小说的;

suffice vi. 足够;有能力; vt. 满足…的需要;使满足;

benefit n. 利益，好处;救济金，津贴;义演，义卖;恩惠，恩泽; vt. 有益于，有助于;使受益;得益，受益;

infect vt. 使受影响，感染;传染，散布病毒，侵染;（电脑病毒）使（电脑的）存储器[数据]受到感染;

That's quite a difference from the directions that Pete sent me.

这和Pete寄给我的路线指示完全不同。

Can't you hear me?

你听不到我说的话吗？

One, for instance, consisted of rods of various lengths and thicknesses which would stand up on end like ninepins.

例如，有一种装置是由一些长短、粗细不同的木棒组成；就像九柱戏的木棒一样竖立着，

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