您要查找的是不是：
- 这些火车多久一班? How often do the trains run?
- 我明白了，这火车多久一班，你知道吗? I see. How soon will the train come,do you know?
- 这火车多久一班? How often does the train run?
- 这火车多久有一班? How often does that train run?
- 这些 these
- 你的父母会给你的爷爷奶奶买礼物吗?多久一次? Do your parents buy gifts for your grandparents? How often?
- 把这些单词背熟。 Learn these words off by heart.
- "那么我要给母亲买本书，" 他说道。 "非常感谢。我希望将来有一天能报答您。" "Then I'll buy a book for Mother, " he said. "I thank you very much, some day I hope I can repay you."
- 班委会 class committee
- ＂据我了解，代表们对这一安排都感到满意。＂ "Insofar as I can see, the representatives are all satisfied with the arrangement."
- 班主 ganger
- 这些怪事都是丰富多彩的人生的一部分。 Such strange events are all part of life's rich tapestry.
- 班期 schedule (for flight voyage etc.)
- 这些煤将用火车装运。 The coal will be shipped by rail.
- 我们等待下一班汽车的到来。 We waited for the arrival of the next bus.
- 这些野生水果有哪一种是安全可吃的吗? Is any of these wild fruits safe to eat?
- 下一班公共汽车几点开? When does the next bus depart?
- 所有这些诽谤只不过起于一种推测。 All this scandalous talk goes upon a mere supposition.
- 他匆匆地赶在一列火车前面穿过了铁轨。 He hurried across the rails in front of a train.
- 一班和二班要进行一场篮球比赛。 Class One is going to play Class Two at basketball.
