学在苦中求，艺在勤中练。不怕学问浅，就怕志气短。
Learn nin the bitter, the Arts in the ground practice. Not afraid of shallow knowledge, short ambition.
学在苦中求，艺在勤中练。不怕学问浅，就怕志气短。
Learn in the bitter, the Arts in the ground practice. Not afraid of shallow knowledge, short ambition.
日本福冈九州岛大学的岛崎教授及其同事在《牙周病学》期刊中提到，除了勤刷牙和用牙线清洁牙齿外，能够有效缓解这一疾病的方法比较有限。
Outside of regular brushing and flossing, effective measures to allay this disease are limited, Shimazaki, of Kyushu University in Fukuoka, Japan, and colleagues note in the Journal of Periodontology.
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