Sine curve
[电] 正弦曲线
🧩 词语组成解析
sine
[sain, 'saini, 'sinei]
prep. 无;
n. 正弦;
curve
[kɝv]
n. 弧线，曲线;曲线状物;弯曲物;[棒]曲线板;
vt. 使弯曲;使成曲线;使成弧形;
vi. 弯曲;弯成曲线，弯成弧形;沿曲线行进;
adj. 弯曲的;曲线形的;
🗣️ 情景例句
She has to work late tonight.
她今晚得工作得晚一些。
Poor health may be a bar to success in life.
健康不佳可能成为人一生中取得成功的障碍。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，