Quercitannic acid
[化] 栎单宁酸\\n[医] 白槲鞣酸
🧩 词语组成解析
🗣️ 情景例句
I'm fresh out of college.
我刚从大学毕业。
God's mill grinds slow but sure.
天网恢恢，疏而不漏。
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。