sine

发音

英 [saɪn] word uk audio image

美 [saɪn] word us audio image

prep.

无
n.

正弦

单词词源

sine 正弦 sine 无，没有

来自拉丁语 sinus,弯，曲，词源同 sinus,sinuous.后用于几何学名词指正弦。来自拉丁语 sine,无，没有，来自 PIE*sene,分开，可能来自 PIE*se,*swe,自己的，词源同 self.

双语例句

1. An interest in children is a sine qua non of teaching .: 对儿童关心的是当教师的必要前提。

2. Just as corn and soy are the bread and butter of big ag , the persistence of small , traditionally conceptualized farms practicing time honored agricultural techniques is the sine qua non of the sustainable food movement .: 玉米和大豆是养猪业的命脉，同样，那些采用老旧农业技术的小型、传统和概念型农场的存在，也是可持续食物运动的必要条件。

3. The meeting will adjourn sine die .: 这个会议将会无限期休会。

4. Gradually , the separate sine waves have become visible .: 逐渐地，“正弦波”曲线出现明显的分离。

5. Neuroscientists have shown over and over that attention is the sine qua non of learning and thus of boosting intelligence .: 神经学家已经一再强调，良好的注意力是学习能力出类拔萃的基石，其对智商的重要性也可想而知。

更多: >如何使用 "sine" 造句