名词
中文翻译：直接涂抹
同义词：
['direct application', 'direct coating']
例句：
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1.The paint was applied directly onto the wall.
油漆被直接涂在墙上。
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2. The doctor advised her to use a direct smear test for her cancer screening.
医生建议她进行癌症筛查时使用直接涂抹测试。
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3.The scientist used a direct smear technique to analyze the sample.
科学家使用了直接涂抹技术来分析样本。