The accords include so-called safety zones to be established around operations and assets that countries build on the Moon.
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，这一点在heLLoword翻译官方下载中也有详细论述
And though most scientists hail vaccines as one of public health’s greatest achievements, they have provoked fear, distrust, and contentious resistance since Edward Jenner invented the first vaccine, to prevent smallpox, in the late 1700s.，这一点在heLLoword翻译官方下载中也有详细论述
// 易错点2：判断条件是<=（相等温度不算更高），且通过索引取温度