[{"data":1,"prerenderedAt":127},["ShallowReactive",2],{"word-undersurface":3},{"source":4,"data":5,"quality_score":125,"lastmod":126},"static_word_details",{"lemma":6,"phonetic":7,"pos":9,"definition_zh":11,"usage_points":12,"collocations":34,"examples_basic":78,"examples_advanced":91,"common_mistakes":104,"synonyms_nuance":113,"diff_pairs":122,"word_family":124},"undersurface",{"us":8,"uk":8},"'ʌndә'sә:fis",[10],"名词","undersurface 指物体的下面或底面，尤其常用于描述水面下的部分，是一个相对正式的名词。",[13,20,27],{"title":14,"content":15,"examples":16},"介词搭配","undersurface 常与介词 of 连用，表示某物的底面或下面部分，如 the undersurface of the table（桌子的底面）。",[17,18,19],"the undersurface of the wing","the undersurface of the rock","the undersurface of the water",{"title":21,"content":22,"examples":23},"语域说明","undersurface 是一个相对正式或技术性的词汇，多用于学术、工程或科学语境，日常口语中更常用 bottom 或 underside。",[24,25,26],"undersurface inspection in engineering","undersurface analysis in marine biology","undersurface corrosion in materials science",{"title":28,"content":29,"examples":30},"句型结构","undersurface 通常作为名词使用，在句子中作主语、宾语或介词宾语，描述具体物体的下部区域。",[31,32,33],"The undersurface is smooth.","Check the undersurface for damage.","Paint the undersurface carefully.",[35,43,51,59,66,73],{"type":36,"items":37},"verb",[38,39,40,41,42],"inspect","examine","clean","paint","protect",{"type":44,"items":45},"adjective",[46,47,48,49,50],"smooth","rough","corroded","wet","dark",{"type":52,"items":53},"noun",[54,55,56,57,58],"wing","boat","table","rock","leaf",{"type":60,"items":61},"adverb",[62,63,64,65],"carefully","thoroughly","regularly","completely",{"type":67,"items":68},"preposition",[69,70,71,72],"of","on","under","beneath",{"type":74,"items":75},"phrase",[19,76,77],"undersurface area","undersurface treatment",[79,82,85,88],{"en":80,"zh":81},"The undersurface of the table is scratched from moving it.","桌子的底面因为移动而被刮花了。",{"en":83,"zh":84},"We need to clean the undersurface of the boat before sailing.","我们需要在航行前清洁船的底面。",{"en":86,"zh":87},"Check the undersurface of the car for any leaks.","检查汽车的底面是否有任何泄漏。",{"en":89,"zh":90},"The undersurface of the leaf is lighter in color.","叶子的底面颜色较浅。",[92,95,98,101],{"en":93,"zh":94},"The study focused on the undersurface corrosion of marine structures.","这项研究专注于海洋结构物的底面腐蚀问题。",{"en":96,"zh":97},"Engineers inspected the undersurface of the aircraft wing for fatigue cracks.","工程师检查了飞机机翼的底面是否存在疲劳裂纹。",{"en":99,"zh":100},"The report analyzes the undersurface temperature variations in deep-sea environments.","该报告分析了深海环境中底面温度的变化。",{"en":102,"zh":103},"Regular maintenance of the pipeline undersurface is crucial for safety compliance.","定期维护管道的底面对于安全合规至关重要。",[105,109],{"wrong":106,"right":107,"explanation":108},"The undersurface is under the water.","The undersurface is below the water.","undersurface 本身已表示“下面”，与 under 重复；应使用 below 表示位置关系，更符合英语习惯。",{"wrong":110,"right":111,"explanation":112},"I saw a fish on the undersurface.","I saw a fish near the undersurface.","on 表示接触表面，但 undersurface 常指一个区域或部分，用 near 更准确描述接近水下的位置。",[114,118],{"word":115,"difference":116,"example":117},"underside","underside 更通用，指任何物体的下面，常用于日常语境；undersurface 更正式，强调表面特性，多用于技术或科学领域。","The underside of the car is dirty. (日常) vs. The undersurface of the hull requires anti-fouling paint. (技术)",{"word":119,"difference":120,"example":121},"bottom","bottom 指最下部或基础部分，范围更广；undersurface 特指某个表面或区域的下面，更具体。","The bottom of the ocean is deep. (整体底部) vs. The undersurface of the ship is inspected for damage. (具体表面)",[115,119,123],"subsurface",[],70,"2026-01-09T09:33:25.523Z",1781752514907]