Vibrapack
振动子换流器
🗣️ 情景例句
Tell me about your educational background.
告诉我你的学习背景。
I have so much to do after I retire.
我在退休后有许多事要做。
In spite of all that has been said, the tourists have been picking leaves and cutting their names on the tree-trunk.
尽管有上述种种说法，但游客们还是照常摘树叶和把他们的名字刻在树干上。