Foto
abbr. 张紧振子的强制振动（Forced Oscillation of a Tightening Oscillator）
🗣️ 情景例句
Good-bye.
再见。
Why are you always late? You're fired!
你怎么老是迟到？你被解雇了！
She was a lively young woman with patience and imagination.
她是一个活泼的女子，具有耐心和想象力。