Phstocatalyzer
[医] 光催化剂
🗣️ 情景例句
Call the plumber to fix the toilet.
给水管工打个电话来修理厕所。
None preaches better than the ant, and she says nothing.
蚂蚁不说话，但最善于说教。
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。