问大家一点点英语语法When the toast popped up,he put mustard,mayonnaise,and ketchup on one slice.Then he added two slices of onion.31_____ top of the onions,he placed the hot dog.On top of the hot dog,he put a couple of slices of apple.Then

问大家一点点英语语法When the toast popped up,he put mustard,mayonnaise,and ketchup on one slice.Then he added two slices of onion.31_____ top of the onions,he placed the hot dog.On top of the hot dog,he put a couple of slices of apple.Then
问大家一点点英语语法
When the toast popped up,he put mustard,mayonnaise,and ketchup on one slice.Then he added two slices of onion.31_____ top of the onions,he placed the hot dog.On top of the hot dog,he put a couple of slices of apple.Then he added some bits of hot green chile,and then put the top piece of toast onto the chile bits.
我要问的是on top of 和the top of 的区别

问大家一点点英语语法When the toast popped up,he put mustard,mayonnaise,and ketchup on one slice.Then he added two slices of onion.31_____ top of the onions,he placed the hot dog.On top of the hot dog,he put a couple of slices of apple.Then
【1】toast
英 [təʊst] 美 [tost]
n.干杯；烤面包；接受敬酒的人；（在某领域）广受赞誉的人
vt.& vi.向…祝酒,为…干杯
vi.烤火,取暖；使暖和；烘烤（面包片等）
烤面包； 土司； 吐司； 干杯
复数：toasts
过去式：toasted
过去分词：toasted
现在分词：toasting
第三人称单数：toasts
【2】mustard英 ['mʌstəd] 美 [ˈmʌstəd]
n.芥末,芥菜；芥末色,深黄色；强烈的兴趣；热情的人
芥末； 芥子； 芥菜； 芥茉
复数：mustards
【3】mayonnaise
英 [ˌmeɪəˈneɪz,ˈmeɪəˌneɪz] 美 [ˌmeəˈnez,ˈmeəˌnez]
n.蛋黄酱
【4】ketchup
英 [ˈketʃəp] 美 [ˈkɛtʃəp,ˈkætʃ-]
n.番茄酱
蕃茄酱； 番茄酱； 调味蕃茄酱； 调味番茄酱
【5】slice英 [slaɪs] 美 [slaɪs]
vt.切成片；切下；划分
n.薄片；一部分；（因失误而打出的）曲线球
vi.斜击
片； 薄片； 右曲球； 薄切片
复数：slices
过去式：sliced
过去分词：sliced
现在分词：slicing
第三人称单数：slices
【6】onion[英] [ˈʌnjən][美] [ˈʌnjən]
n.洋葱（头）；（食物）洋葱,葱头复数：onions
【7】pop up 英 [pɔp ʌp] 美 [pɑp ʌp]
v.突然出现；上托
(1) 突然出现；不意冒出
If someone or something pops up,they appear in a place or situation unexpectedly
She was startled when Lisa popped up at the door all smiles...
莉萨突然笑容满面地出现在门口时,她吓了一跳.
You solved one problem and another would immediately pop up.
你解决完一个问题,另一个问题又会马上冒出来.
a pop-up birthday card
立体生日卡
2.Meanwhile familiar faces pop up among the reporters.
这时候,一张张熟悉的面孔在记者中出现.
3.The dialog box,another use of the pop-up window,was the tool that simplified the menu.
另外一种弹出窗口的使用方式,对话框就是简化菜单的工具.
4.Unfortunately,the most common method is to pop up a dialog box on the screen.
很不幸,最常见的方式是在屏幕上弹出一个对话框,这种技术就是模态的.
5.He seems to pop up in the most unlikely places.
在他似乎绝不可能到的地方,他往往就在那里出现.
【8】on top of
英 [ɔn tɔp ɔv] 美 [ɑn tɑp ʌv]
在…上边； 在…上方；除…之外；接着
1.在…上边,在…上方
Put this book on top of the others.
把这本书放在其他书的上边.
2.除…之外
He lost his job and on top of that his wife left him.
他失业了,不仅如此,他妻子也离开了他.
3.接着
Gale winds came on top of the floods.
大风紧接着洪水袭来.
1.The village is perched on top of a high hill.
村子坐落于一个高山顶上.
2.On top of the hill was a grove of tall trees.
山顶上一片高大的树林.
3.I reached up and put the parcel on top of the cupboard.
我伸手托起包裹将它放到了柜子顶上.
4.We stood on top of the hill,drinking in the beautiful view.
我们站在山顶上,饱览这美丽的风景.
5.He tented his men on top of the hill.
他让士兵在山顶扎营.