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abbr. 张紧振子的强制振动（Forced Oscillation of a Tightening Oscillator）
🗣️ 情景例句
What's on the menu?
有什么菜？
We demand better pay.
我们要求增加工资。
A few days later about 140 black people were taken and put on a tall sailing ship waiting off the coast.
几天以后，大约140名黑人被带到一艘停靠在海岸边的大帆船上。