📅 2026-05-31
| 单词 | 音标 | 中文 | 发音练习 | 例句 + 复读 |
|---|---|---|---|---|
| part of |
/pɑːrt əv/ | …的一部分 |
🔊 讲解
词态:part of
近义词:a portion of · a section of · an element of 常用短语:part of + sth |
Being / part of the school's robotics club / helps me learn new things every day.
Did you know / that a smartphone is / part of a larger network of satellites?
This rare butterfly / is part of an endangered species / that lives only in this forest.
|
| difficulty |
/ˈdɪfɪkəlti/ | 困难、难题 |
🔊 讲解
词态:difficulty difficulties difficult
近义词:challenge · hardship · obstacle 常用短语:difficulty + in doing · have difficulty doing · with difficulty |
I have difficulty understanding / how black holes can warp space and time.
With great difficulty / the tiny turtle climbed over the fallen log / to reach the pond.
Do you ever have difficulty / finding reliable sources / for your science projects?
|
| several |
/ˈsevrəl/ | 几个、数个 |
🔊 讲解
词态:several
近义词:a few · a number of 常用短语:several + of |
Several of the stars / in the night sky / are actually planets reflecting sunlight.
We tried several different coding languages / before settling on Python.
There are several layers of security / that protect your data / when you shop online.
|
| ancient |
/ˈeɪnʃənt/ | 古老的、古代的 |
🔊 讲解
词态:ancient more ancient most ancient
近义词:old · historic 反义词:modern 常用短语:ancient history · ancient civilization |
Learning about ancient civilizations / like the Maya / shows how early humans studied the stars.
That fossil / is a clue to ancient history / when giant insects ruled the Earth.
Did you see the documentary / about ancient Egyptian technology / and their amazing tools?
|
| lately |
/ˈleɪtli/ | 最近、近来 |
🔊 讲解
词态:lately late latest
近义词:recently · of late |
Have you seen any cool science documentaries / lately?
Lately / I've been experimenting with / coding a simple weather app.
The weather has been so unpredictable lately / that it's hard to plan outdoor experiments.
|
| demand |
/dɪˈmænd/ | 需求、要求 |
🔊 讲解
词态:demand demands demanded demanding
近义词:require · expect · insist 常用短语:in demand · demand + for · demand + that clause |
There is a high demand for engineers / who understand both biology and computers.
The demand for renewable energy / has grown a lot / as people worry about climate change.
My teacher demands that we check our facts / before posting anything online.
|