名词
中文翻译：慢车
同义词：
['slow bus', 'slow train']
例句：
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1.We took the slack bus to get to the airport early.
我们乘坐慢车去机场，以便早点到。
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2. The slack bus was crowded with people heading home from work.
慢车挤满了下班回家的人们。
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3. I prefer taking the slack bus to save time and avoid traffic jams.
我更喜欢乘坐慢车来节省时间并避开交通堵塞。