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を
1. indicates direct object of action
2. indicates subject of causative expression
3. indicates an area traversed
4. indicates time (period) over which action takes place
5. indicates point of departure or separation of action
6. indicates object of d...
表示动作的直接对象；表示经过的场所；表示离开或分开的点
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飲み干す， 飲み乾す， のみほす
1. to drink up, to drink to the last drop, to drink (a glass) dry, to drain (one's glass), to empty, to down (a drink)
一饮而尽，喝光(直至最后一滴)，(把一杯)喝干，(把自己的杯子喝光，喝光(一杯酒)
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
