Propargyl
炔丙基
🗣️ 情景例句
I like it there.
摆在那里很好。
When the well is full, it will run over.
井水满了要溢出。
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。