题目内容
3. 火星上的生活既有意思又有挑战。
4. 火星上的重力是地球上的八分之三。
3. Life on Mars is interesting as well as challenging.
4. The gravity on Mars is three-eighths of that on the Earth.
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题目内容
3. 火星上的生活既有意思又有挑战。
4. 火星上的重力是地球上的八分之三。
3. Life on Mars is interesting as well as challenging.
4. The gravity on Mars is three-eighths of that on the Earth.