- 作动词时:集中(注意力、思想等);专注;聚集(指将精力、资源等集中于某一事物)
- 作名词时:浓缩物(如液体或物质的浓缩形式,如“juice concentrate”指浓缩果汁)
- 短语搭配:
- concentrate on 专注于(如:You need to concentrate on your work.)
- concentrate one’s efforts 集中精力(如:We should concentrate our efforts on solving this problem.)
- concentrate the solution 浓缩溶液
- 近义词:
- 动词:focus(集中;专注)、center(集中)、devote(致力于)
- 名词:extract(提取物,针对浓缩物)
- 反义词:
- 动词:distract(分散注意力)、disperse(分散)、scatter(散开)
宁瑠老师:experiment
experiment
- 词性:名词(n.);动词(v.)
- 意思:
- 作名词时:实验;试验(指为验证假设或探索未知而进行的科学或实践操作)
- 作动词时:做实验;尝试(指通过实践探索新方法、新事物)
- 短语搭配:
- do an experiment 做实验(如:The students are doing an experiment in the lab.)
- experiment with 尝试(如:She likes to experiment with new recipes.)
- carry out an experiment 进行实验(如:They plan to carry out an experiment next month.)
- 近义词:
- 名词:test(测试;试验)、trial(尝试;试验)
- 动词:try(尝试)、test(测试)
- 反义词:无明确单一反义词,若强调“不尝试”,可对应“abstain(避免)”“refrain(克制)”(语境有限)
宁瑠老师:awkward
awkward
- 词性:形容词(adj.)
- 意思:
- (动作、姿势)笨拙的;不灵活的(如形容人动作不协调)
- (处境、场合)尴尬的;难处理的(如形容气氛或情况让人不舒服)
- (物品)难使用的;设计不合理的(如形容工具不好操作)
- 短语搭配:
- an awkward moment 尴尬的时刻(如:There was an awkward moment when no one spoke.)
- feel awkward 感到尴尬(如:I felt awkward when I forgot her name.)
- awkward shape 形状难处理的(如:The box has an awkward shape, hard to carry.)
- 近义词:
- clumsy(笨拙的)、embarrassing(令人尴尬的)、uncomfortable(不自在的)、inelegant(不雅的)
- 反义词:
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