Oscilloscopy
示波术
🗣️ 情景例句
are important for the sales of your book.
对于你这本书的销售很重要。
Hasty climbers have sudden falls.
大起者有大落。
In this way Native Americans were forced onto poor land that the settlers did not want.
就这样，美洲土著人被赶到殖民者所不要的贫瘠的土地上去了。