The two most important parts of a speech are the introduction and the conclusion. The introduction sets the tone for your speech.Don't set yourself up for failure from the start. Instead, replace them
From the beginning, America has been a place that has cherished the freedom of worship. 从一开始,美国一直是个珍视自由信仰的地方。 That is the promise the first settlers saw in our vast continent 这是首批定居者见到我们广袤大陆时的承诺 and i
Cassini just a few months ago also flew through the plume, and it measured silicate particles. 卡西尼太空船几个月前又从这些飞溅的水流中穿过，它检测到了硅酸盐颗粒。 Where does the silica come from? 这些硅从哪来的？ It must come from the ocean
