N. refers to the outermost or hardest part of something, such as the Earth's rocky layer or the outer skin of bread.
n.表示事物的最外层或最坚硬的部分，例如地球的岩石圈或面包的外皮。
| Front | crust |
|---|---|
| Back | n.外壳，面包皮 |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Observation n.注意，观察
Previous card: Whatsoever adv.任何
Up to card list: CET4