Pd d
教育学博士
🧩 词语组成解析
[医] 钯(46号元素)
🗣️ 情景例句
Marketing promotion.
市场推广。
What's your friend doing?
你的朋友正在做什么？
Some people think that the weather is unpleasant, the city ugly and dirty, the competition fierce and the streets unsafe.
有些人认为，这儿的气候不佳，市容丑陋肮脏，竞争激烈，街上不安全。