Lualaba
n. 卢瓦拉巴河(亦译卢阿拉巴河,系刚果河上游)
🗣️ 情景例句
You tried, Mom.
尽力了， 妈妈。
She feels pity for him.
她同情他。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？