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1. They think that the use of acupuncture began during the Stone Age when …or sharpedged tools,… sharp adj. 鋒利的 ,尖的 。 The shears aren’t sharp enough to cut the grass. a sharp drop in price 價(jià)格的聚降 a sharp turn to the left 向左急轉(zhuǎn) 2). We were surprised by the sharp tone of her ments. 她尖銳的評論令我們吃驚. 3). The cheese is a little too sharp for me. 我覺得這干酪味道太重了. a sharp sense of humor 很強(qiáng)的幽默感 2. …and a swordlike needle for letting liquid out of swollen parts. let sth. out 放出;泄露,透出;發(fā)出(叫聲);出租;把(衣服)放大 別泄露我失業(yè)了,好嗎? Don’t let it out about my losing my job, will you? 他們決定以低租金把那些較小的辦公室租出去。 make out 辨認(rèn)出,理解,了解。 addicted D. Do you think what。 addicting B. Do you think what。take care 小心(不能帶賓語)。 尖刻的 ,辛辣的 。突然的 ,急轉(zhuǎn)彎的 。 They