Polymerization
高中 Senior Highn. 聚合\\n[化] 叠合反应; 聚合; 聚合反应
🗣️ 情景例句
and made me feel more confident.
使我对自己更加有信心。
He is attending a morning intensive course four hours a day, six days a week.
他每周六早晨都上一门4小时的速成课。
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。