单词/词组检索

rung
级别	扩展级
音标	[ rʌŋ ]
解释	n.梯级
英英释义	past participle of ring verb
发音
例句	1. He put his foot on the bottom rung to keep the ladder steady.他用脚踩住最底下的横档稳住梯子。 2. Hold the ladder tightly and move up a rung at a time.抓紧梯子一级一级地往上爬。