M: I am certain I am going to fail my English test.
M：我肯定我的英语考试不会及格。
Be quiet please, class. I 'm going to give out your test papers.
同学们请安静，我将发你们的考试卷子。
Test media is simulated seawater, ie. add 11.62kg sea salt in 0.33cu. m. fresh water (weight ratio 3.52%).
试验的介质为模拟海水，即在0.33立方米的淡水中添加了11.62kg的海盐，海盐与淡水的重量比为3.52%。
Test media is simulated seawater, ie. add 11.62kg sea salt in 0.33cu. m. fresh water (weight ratio 3.52%).
试验的介质为模拟海水，即在0.33立方米的淡水中添加了11.62kg的海盐，海盐与淡水的重量比为3.52%。
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