在雅思口語Part 3中“有用的發(fā)明”話題中有提問到“Are there any other inventions that have made the world better?”。這個(gè)題目，或許大多數(shù)同學(xué)第一時(shí)間想到的就是手機(jī)、電腦、互聯(lián)網(wǎng)，畢竟這幾樣與大家的日常聯(lián)系緊密。但除了這幾種發(fā)明，還有一些其他意義非凡的發(fā)明，同時(shí)也有不少不錯(cuò)的表達(dá)可以利用起來。

1）High-speed trains（拓展解釋：結(jié)合高鐵帶來的便捷性與經(jīng)濟(jì)效益。）

相關(guān)表達(dá)：
high-speed train 高鐵
connect remote villages/towns with major cities in China 將偏遠(yuǎn)的農(nóng)村/城鎮(zhèn)與中國的其他主要城市連接
turn a landlocked town into a land-linked, frequently-visited destination 將一個(gè)交通閉塞的小鎮(zhèn)變成一個(gè)四通八達(dá)、受歡迎的旅游地
job/employment opportunities related to the railway 與鐵路相關(guān)的就業(yè)機(jī)會(huì)
sanitary worker 清潔工
security inspector 安檢員
agritainment restaurant 農(nóng)家樂餐館
shorten the travel time between cities 縮短成時(shí)間的旅程時(shí)間
migrant worker 外來務(wù)工者
visit friends and family in another city 探訪在另一個(gè)城市的朋友和家人
extensive high-speed railway network 覆蓋廣泛的高鐵網(wǎng)絡(luò)
make outlying areas/regions accessible 使得邊遠(yuǎn)地區(qū)易于到達(dá)
generate an extra source of income 帶來額外的收入來源
boost tourism 促進(jìn)旅游業(yè)
go on a weekend retreat 周末度假
immerse oneself in idyllic settings 沉浸在田園般的環(huán)境中

2）CT scan, ultrasound scanning（拓展解釋：結(jié)合疾病與健康。）

相關(guān)表達(dá)：
ultrasound scanning 超聲影像
health checkup 體檢
have regular checkups 定期體檢
benefit countless patients 使無數(shù)病人受益
a lump in one’s breast/lung/neck 某人胸/肺/頸部的一個(gè)腫塊
intervene timely/early 及時(shí)/盡早干預(yù)
adjust one’s lifestyle 調(diào)整自己的生活方式
get rid of poor habits 改掉不良習(xí)慣
undergo surgery 做手術(shù)
take pills 服藥
prevent the illness from worsening 防止病情惡化
improves the chances of successful treatment 增加成功治愈的機(jī)會(huì)
severe symptom 嚴(yán)重的癥狀
prenatal care 產(chǎn)前保健
reduce the risk of having a low-birth-weight baby 降低低出生體重嬰兒的風(fēng)險(xiǎn)
detect and treat potential health problems early on 盡早檢測出病治療潛在的健康問題
gene defect 基因缺陷
gene mutation 基因變異
there’s a physical deformity in the baby 嬰兒存在畸形
detect genetic abnormalities in the foetus 檢測胎兒的基因異常

3 )無人機(jī)技術(shù)（拓展解釋：結(jié)合農(nóng)業(yè)技術(shù)、救災(zāi)救援、生態(tài)環(huán)境保護(hù)。）

相關(guān)表達(dá)：
drone technology 無人機(jī)技術(shù)
monitor crop health 檢測作物健康狀況
detect potential problems 探測潛在問題
nutrient deficiencies 營養(yǎng)不足
take aerial images of crops 拍攝農(nóng)作物航拍圖
surveillance drone 偵察機(jī)
in the aftermath of hurricanes and earthquakes 在颶風(fēng)和地震發(fā)生之后
assess damage from.. 評(píng)估…造成的損失
locate victims 定位受災(zāi)者
deliver medical supplies, food, and other essentials運(yùn)送醫(yī)療用品、食物和其他必需品
roads and other infrastructure are damaged or inaccessible道路和其他基礎(chǔ)設(shè)施受損或無法通行
capture clear, detailed images and videos of wildlife拍攝清晰、詳細(xì)的野生動(dòng)物圖像和視頻
minimise human intervention 減少人類干預(yù)
conduct research without disturbing natural habitats 在不干擾自然棲息地的情況下開展研究
track animal movements 追蹤動(dòng)物行蹤
monitor population trends 監(jiān)控?cái)?shù)量情況
identify potential threats to their survival 識(shí)別他們生存的潛在威脅
combat poachers 打擊偷獵者
deploy drones to patrol conservation zones 在保護(hù)區(qū)部署無人機(jī)巡邏
detect and track poachers in real-time 實(shí)時(shí)檢測追蹤偷獵者

以上切入點(diǎn)和相關(guān)表達(dá)也可以靈活應(yīng)用到Part3的其他問題，比如:

Is it necessary to have regular checkups?

What are the ways to protect wildlife species?

How has technology impacted agriculture?

Why do more and more people enjoy visiting other cities?