Geology&Geography

Question 1

trench

Answer 1

1. long, narrow hole/cut that is dug in the ground
2. long, narrow hole in the ocean floor
3. a deep, narrow hole in the ground that
   is used as protection for soldiers
4. to make a cut in or to cut a trench
5. to protect with or as if with a trench

v/n：溝渠/地溝/海溝/刻挖/築壕防衛

Question 2

avalanche

Answer 2

1. a large amount of snow and ice or of dirt and rocks that slides suddenly down the side of a mountain
2. a sudden great amount of something

v/n：雪崩/山崩/突然到來大量的事物
(大量湧至)把～淹沒