Pd d
教育学博士
🧩 词语组成解析
[医] 钯(46号元素)
🗣️ 情景例句
Years of work went into these pictures.
多年心血换来这些照片。
He was so angry, he began to jump and down.
他愤怒得开始顿足。
This echo-location in bats is often compared with radar, the principle of which is similar.
蝙蝠这种回声定位常常可与雷达相比较，其原理是相似的。