Ducting
管道, 导管
🗣️ 情景例句
I care about new fixtures in the hallways--
我关心走廊的新灯具，
My brother's in the army.He was just promoted to the rank of major.
我的兄弟在军队工作.他就被提拔为少校。
Indeed, the concept of free speech only exists in our modern society because when you are inside a community,
的确，言论自由的概念只存在于我们现代社会中，因为当你生活在一个社团当中时，