Cosines
n. [数] 余弦
🗣️ 情景例句
Hello, my name is Li Ming and we have a reservation for party tonight.
喂，您好。我叫李明，我们在你们这预定了今晚聚会。
What kind of climate do you have in this country?
这个国家的气候如何？
He was just able to lie down on the ground, but could not stand up.
他只能躺在地上，但不能站起来。