20230828 單詞學(xué)習(xí)

crystal?/?kr?st?l/ |CET4 TEM4 1.N-COUNT A crystal is a small piece of a substance that has formed naturally into a regular symmetrical shape. 結(jié)晶體 ? ...salt crystals. …鹽的結(jié)晶體。 ? ...ice crystals. …冰晶。 2.N-VAR Crystal is a transparent rock that is used to make jewellery and ornaments. 水晶 ? She was wearing a strand of crystal beads. 她戴著一串水晶珠子。 3.N-UNCOUNT Crystal is a high quality glass, usually with patterns cut into its surface. 晶質(zhì)玻璃 ? Some of the finest drinking glasses are made from lead crystal. 一些最精致的酒杯是用鉛晶質(zhì)玻璃制成的。 radiocarbon dating N a technique for determining the age of organic materials, such as wood, based on their content of the radioisotope 14C acquired from the atmosphere when they formed part of a living plant. The 14C decays to the nitrogen isotope 14N with a half-life of 5730 years. Measurement of the amount of radioactive carbon remaining in the material thus gives an estimate of its age 放射性碳測(cè)定年代法 (Also called carbon-14 dating) quell?/kw?l/ |CET6+ TEM8 1.V-T To quell opposition or violent behaviour means to stop it. 鎮(zhèn)壓 ? Troops eventually quelled the unrest. 部隊(duì)最終鎮(zhèn)壓了動(dòng)亂。 2.V-T If you quell an unpleasant feeling such as fear or anger, you stop yourself or other people from having that feeling. 消除 (恐懼、憤怒等) ? The government is trying to quell fears of a looming oil crisis. 該政府正努力消除日益臨近的石油危機(jī)而帶來(lái)的恐懼。 tend?/t?nd/ |CET4 TEM4 tendingtendedtends 1.V-T If something tends to happen, it usually happens or it often happens. 傾向于; 往往會(huì) ? A problem for manufacturers is that lighter cars tend to be noisy. 制造商遇到的一個(gè)問題是重量較輕的汽車往往噪音大。 2.V-I If you tend toward a particular characteristic, you often display that characteristic. 趨向… ? Artistic and intellectual people tend toward left-wing views. 藝術(shù)人士和知識(shí)分子趨向左翼觀點(diǎn)。 3.V-T You can say that you tend to think something when you want to give your opinion, but do not want it to seem too forceful or definite. 傾向于 (認(rèn)為) ? I tend to think that our Representatives by and large do a good job. 我傾向于認(rèn)為我們的眾議員們總體上干得不錯(cuò)。 4.V to attend (to) 照顧; 照管 ? to tend to someone's needs 5.V to care for 護(hù)理 ? to tend wounded soldiers 6.V to handle or control 處理; 控制 ? to tend a fire tuber?n. /?tju?b?(r)/ the short thick round part of an underground stem or root of some plants, such as potatoes, which stores food and from which new plants grow 塊莖（某些植物的肉質(zhì)地下莖） DERIVATIVES 派生詞 tu·ber·ous /?tju?b?r?s/ /?tju?b?r?s/ adj disprove?/d?s?pru?v/ |TEM8 disprovingdisproveddisprovendisproves V-T To disprove an idea, belief, or theory means to show that it is not true. 證明 (想法、信念或理論) 為誤 ? The statistics to prove or disprove his hypothesis will take years to collect. 要花數(shù)年來(lái)收集證實(shí)或推翻他的假設(shè)的數(shù)據(jù)。