20230413单词汇总

risky adj. /ˈrɪski/

( risk·ierriski·est)

involving the possibility of sth bad happening 有危险（或风险）的

SYN dangerous

· • Life as an aid worker can be a risky business (= dangerous) . 救援人员的工作会有危险。

· • a risky investment 有风险的投资

· • It's far too risky to generalize from one set of results. 仅根据一组结果进行概括是十分不可靠的。

DERIVATIVES 派生词

1.risk·ily /‑ɪli/ adv.

2. riski·ness /‑ɪnəs/ n. [ U]

· Duralumin /djʊˈræljʊmɪn/

o N a light strong aluminium alloy containing 3.5–4.5 per cent of copper with small quantities of silicon, magnesium, and manganese; used in aircraft manufacture (造飞机等用的)杜拉铝

re·con·nais·sance n.

/rɪˈkɒnɪsns/

( also BrE informal recce ) ( also US informal recon ) [ CU] the activity of getting information about an area for military purposes, using soldiers, planes, etc. 侦察

• • to make an aerial reconnaissance of the island 对这座岛进行空中侦察

• • Time spent on reconnaissance is seldom wasted. 花在侦察上的时间是不会白费的。

• • a reconnaissance aircraft/mission/satellite 侦察飞机╱任务╱卫星

· meagre /ˈmiːɡə/

o ADJ If you describe an amount or quantity of something as meagre, you are critical of it because it is very small or not enough. 数量很少的

• The rations that they gave us were meagre and inadequate.
他们给我们的配给量是很少的，是不够的。

de·tach·able adj. /dɪˈtætʃəbl/

that can be taken off 可拆卸的；可分开的

SYN removable

· • a coat with a detachable hood 带有活风帽的外套

avi·ator n. /ˈeɪvieɪtə(r)/

( old-fashioned) a person who flies an aircraft 飞行员；飞机驾驶员

· biplane /ˈbaɪˌpleɪn/

o N-COUNT A biplane is an old-fashioned type of aeroplane with two pairs of wings, one above the other. 双翼飞机

spon·tan·eous adj. /spɒnˈteɪniəs/

1.not planned but done because you suddenly want to do it 自发的；非筹划安排的

•a spontaneous offer of help 主动提出帮助

•The audience burst into spontaneous applause. 观众自发地鼓起掌来。

2.often doing things without planning to, because you suddenly want to do them 常心血来潮的

3.( technical 术语) happening naturally, without being made to happen 自发的；自然的；自身造成的

•spontaneous remission of the disease 疾病的自然缓解

4.done naturally, without being forced or practised 自然的；非勉强的；无雕饰的

•a tape recording of spontaneous speech 一段自然讲话的磁带录音

•a wonderfully spontaneous performance of the piece 对那支乐曲极其淳朴自然的演奏

DERIVATIVES 派生词

spon·tan·eous·ly adv

· •We spontaneously started to dance. 我们情不自禁地跳起舞来。

· •The bleeding often stops spontaneously. 这种出血常常会自己停止。

· subscribe /səbˈskraɪb/

o 1.V-I If you subscribe to an opinion or belief, you are one of a number of people who have this opinion or belief. 持有 (意见或信仰)

• I've personally never subscribed to the view that either sex is superior to the other.
我个人从未持有过一种性别比另一种性别优越的观点。

o 2.V-I If you subscribe to a magazine or a newspaper, you pay to receive copies of it regularly. 订阅

• My main reason for subscribing to New Scientist is to keep abreast of advances in science.
我订阅《新科学家》的主要原因是要跟上科学的进步。

o 3.V-I If you subscribe to an online newsgroup or service, you send a message saying that you wish to receive it or belong to it. 申请加入 (在线新闻组); 申请 (在线服务)

• Usenet is a collection of discussion groups, known as newsgroups, to which anybody can subscribe.
新闻组网络是由称为新闻组的讨论组组成，任何人都能申请加入。

o 4.V-I If you subscribe for shares in a company, you apply to buy shares in that company. 申购 (股份)

• Employees subscribed for far more shares than were available.
雇员们申购了远比实际数额还多的股份。