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JLPT
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strokes
#15590
frequency
Not started
Mastered counts as known everywhere (frontier, map, extension) but never appears in the quiz again. New wipes the review history for this item.
例文 · examples
最初に、この実験で使用された触媒について吟味したい。
As a beginning I would like to examine the catalyzer used in this experiment.
有効な触媒がないので、その装置を改良することは困難であろう。
It would be difficult to improve the device without an effective catalyst.