lower course

基本解释

The lower course of the han shui flows through a rich lowland.
汉江下游流过一片富庶的低地。
A river, about 1,126 km (700 mi) long, of northwest Afghanistan, northeast Iran, and southern Turkmenistan. Its lower course forms part of the Afghanistan-U. S. S. R. border.
一条位于阿富汗西北部、伊朗东北部和土库曼南部，流程约1，126公里（700英里）的河，它的下游河道构成部分阿富汗-苏联国界。
odict.net
A river of eastern Switzerland, western Austria, and southeast Germany flowing about 515 km (320 mi) to the Danube River. Its lower course forms part of the German-Austrian border.
因河：位于瑞士以东，奥地利以西，德国东南的一条河流，流程515公里（320英里），汇入多瑙河。其下游形成德奥边界的一部分。
odict.net

And when we say lower in energy, of course, what we mean is more negative.
当然当我们说能量更低时，我们的意思是更为不活跃。
麻省理工公开课 - 化学原理课程节选

The rigor of these courses may have contributed to the lower course completion rates, not the time spent reading a gradebook.
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Those across the board tax cuts would, of course, lower tax bills for almost everyone.
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You can expect higher prices in more expensive areas of the country (and of course, lower prices in less expensive areas of the country).
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