一顿美味的烘烤晚餐适合寒冷的冬天能让全家人饱餐一顿而且制作简单。
A delicious meal perfect for a cold wintery day, a filling, hearty meal for the whole family that's not hard to prepare.
该装置解决了地下水化学在野外冷水泉无法进行气体观测的难题，而且制作简单、费用低廉，非常便于推广。
The device, simple in making, low in price, and easy to popularizing, solves the problem that gas observation can't be made in a cold spring in the field.
而且制作起来非常简单，只需要一些布头，纸板和辅件就可以了。
These are quite easy to make and use just fabric scraps, paperboard and some accessories.
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