Canalisation
n. 开凿运河, 运河网, [医]造管术
✅ 同义词
🗣️ 情景例句
Are you a Republican, or a Democrat?
你是共和党人还是民主党人？
How ofter did I tell you to sit straight?
我告诉你多少次要坐正?
has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了毕生的精力来研究世界各地的活火山和探洞。