the river course is being cleaned.这里的course什么意思

the river course is being cleaned.这里的course什么意思 The Changjiang River is a f_______ river this river is the longestthis is the longset river区别 Why is the river rich? The Amazon River is the l____ river in the world The Yangtze River is the longest river in China 翻译 The Yellow River is the second（ ）river in China. Which is longer?The Yangtze River or The Yellow River? The longest river in China is the Changjiang River. The river in China is the Changjiang River the Long River is l____than the Yellow River.首字母填空 is the chuangjiang river longest than the yellow river? yangtze river is the third____(long river)in the world The Yangzi River is the longest river in China.( The Changjiang River is w.than the River Thames The Y_____ River is the second longest river in china. The course is from Monday to Friday. Yangtze River is the longest river in China.