occluded
用法要点
句型搭配
常用于被动语态，表示某物被堵塞或阻隔，如 'be occluded by' 或 'become occluded'。
介词用法
常与 'by' 连用表示堵塞的原因，或与 'with' 连用表示堵塞的物质。
语域说明
多用于正式或学术语境，如医学、化学或工程领域，日常口语中较少使用。
基础例句
The drain was occluded by leaves, so we had to clean it out.
排水管被树叶堵塞了，所以我们不得不清理它。
Her view of the stage was occluded by a tall person in front.
她的舞台视线被前面的高个子挡住了。
The filter became occluded after a month of use.
过滤器使用一个月后堵塞了。
高级例句
In the experiment, the catalyst surface was occluded by impurities, reducing efficiency.
在实验中，催化剂表面被杂质堵塞，降低了效率。
The medical scan showed an occluded artery, requiring immediate intervention.
医学扫描显示动脉堵塞，需要立即干预。
During the storm, the radar signal was occluded by heavy precipitation.
在风暴期间，雷达信号被强降水阻隔了。
高频搭配
verb
adjective
noun
adverb
preposition
phrase
常见错误
错误使用了现在分词 'occluding'，应使用过去分词 'occluded' 表示被动状态，因为路是被雪堵塞的。
'occluded' 通常不用于主动语态描述人为堵塞，更常用 'blocked' 或 'obstructed'，'occluded' 多用于被动或专业语境。
近义词辨析
blocked
'blocked' 更通用，指物理阻挡或阻碍，可用于日常场景；'occluded' 更正式，强调完全堵塞或吸收，常用于科学或医学。
The street was blocked by traffic (日常). The artery was occluded by plaque (医学).
obstructed
'obstructed' 强调阻碍进程或视线，可能不完全堵塞；'occluded' 通常指完全堵塞或阻隔，更具体。
The view was obstructed by trees (部分阻挡). The pipe was occluded by a solid mass (完全堵塞).