his talk covered many subjects
他决心戒烟 his talk covered many subjects. 他的报告涉及很多课题 i fear that he drinks too much. 我担心他喝的酒太多了 .
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His talk covered many subjects． 他的讲演波及很多课题。 I fear that he drinks too much． 我担忧他喝的酒太多了。 .
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his talk covered many subjects
他的演讲涉及许多题目
以上为机器翻译结果，长、整句建议使用 人工翻译 。