Rubi
[地名] [刚果民主共和国] 鲁比; [地名] [刚果民主共和国] 鲁比河
🗣️ 情景例句
He never drinks except on special occasions.
除非在特别场合，他从不喝酒。
This river is one third as long as that river.
这条河只有那条河的三分之一长。
OK! Is it straight?
好的！立直了吗？