Perimeters
n. 周边( perimeter的复数形式 ); 周围; 边缘; 周长
🗣️ 情景例句
I'm just being a grandfather.
我只是在尽一个爷爷的本份而已。
How much ink did you want to get ?
你要拿多少墨水？
After switching on powerful arc lights, they saw great stalagmites -- some of them over forty feet high -- rising up like tree-trunks to meet the stalactites suspended from the roof.
他们打开强力弧光灯，看见一株株巨大的石笋，有的高达40英尺，像树干似地向上长着，与洞顶悬挂下来的钟乳石相接。