Pipeless
a. 无管的
🗣️ 情景例句
I just can't understand
我就不懂
What's this?
这是什么？
chasms wider than the Grand Canyon and at least one mountain more than twice as tall as Everest.
比大峡谷还宽的裂缝，起码有一座山有珠穆朗玛峰的近两倍高。