adj. 用过的，习惯于，二手的，旧的；v. 使用（ use的过去式和过去分词），常常，经常；
[例句] People used to come and visit him every day...
[例句] He used to be one of the professors at the School of Education...
adj. 有毒的，有害的，恶意的，讨厌的；
[例句] All parts of the yew tree are poisonous, including the berries.
[例句] ...a large cloud of poisonous gas.
n. 木筏，橡皮艇，[动]（昆虫的）卵筏，〈美口〉大量；vt. 筏运，制成筏，使用筏子；vi. 乘筏；
[例句] ...a river trip on bamboo rafts through dense rainforest.
[例句] The crew spent two days and nights in their raft.
n. 温度计，体温表；
n. 观点，意见，角度，视角，视点；
[例句] The novel is shown from the girl's viewpoint...
[例句] To include as many viewpoints as possible, the editor reserves the right to shorten letters.
n. 一口，满口，适当[不适当]的批评[暗示]；
[例句] She gulped down a mouthful of coffee...
[例句] Chew each mouthful fully before the next bite.
adj. 不需要的，不必要的，无用的，多余的；adv. 不需要地，不必要地；n. 不需要，不必要；
[例句] But his death was so needless...
[例句] 'I have never knowingly exposed any patient to needless risks,' he said.
n. 物主身份，所有权，所有制，所有；
[例句] On January 23rd, America decided to relax its rules on the foreign ownership of its airlines.
[例句] ...the growth of home ownership in Britain...
adj. 和平的，爱好和平的，太平的，平静的，平时的，太平洋的；
[例句] The Liberals were traditionally seen as the more pacific party.
vi. 高兴，欢庆；vt. 使高兴，使欢喜；
[例句] Garbo plays the Queen, rejoicing in the love she has found with Antonio...
[例句] A Foreign Ministry statement said that the French government rejoiced at the happy outcome to events...
adj. 生锈的，腐蚀的，铁锈色的，锈色的，变钝的，褪了色的；
[例句] We spent years travelling around in a rusty old van.
[例句] ...a rusty iron gate.
adv. 分别地，另行，分开，单独，分离地，个别地；
[例句] Cook each vegetable separately until just tender...
[例句] Chris had insisted that we went separately to the club.
n. 日出（时分），黎明，日出的地方，东方；
[例句] The rain began before sunrise.
[例句] There was a spectacular sunrise yesterday.
adj. 难以忍受的，不能忍受的，经受不住的，承受不住的；
[例句] War has made life almost unbearable for the civilians remaining in the capital...
[例句] I was in terrible, unbearable pain.
n. 荒野，旷野，沼泽，摩尔人，停泊，抛锚；vt.& vi. 使停泊，系住，（把飞船）拴在系留塔上，固定；
[例句] Colliford is higher, right up on the moors...
[例句] Exmoor National Park stretches over 265 square miles of moor.
n. 正常化，标准化，正态化；
[例句] Meditation tends to lower or normalize blood pressure...
[例句] There may be some deep-seated emotional reason which has to be dealt with before your eating habits normalize.
n. 坚持不懈，执意，持续，留存，（荧光屏上余辉的）保留时间；
[例句] Skill comes only with practice, patience and persistence...
[例句] Chandra was determined to become a doctor and her persistence paid off.
adj. 怀孕的，孕育着…的，富于想象的，富于成果的；
[例句] Lena got pregnant and married...
[例句] Tina was pregnant with their first daughter.
adj. 流行的，盛行的，普遍存在的，普遍发生的；
[例句] This condition is more prevalent in women than in men...
[例句] Smoking is becoming increasingly prevalent among younger women...
n. 大牧场，大农场，牧场工作人员；vi. 经营牧场，在牧场工作；vt. 经营牧场，在牧场饲养…；
[例句] He lives on a cattle ranch in Australia.