Helfer
[人名] 赫尔弗
🗣️ 情景例句
I hear the exams will be very tough.
我听说考试挺难的。
I hope you can have a good time on your trip.
我希望你的旅途有个好的时光。
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。