B2 中高级 English 6:24 648 单词 Animation

Why is it so hard to get rid of bed bugs? - Gale E. Ridge

TED-Ed · 295,351 次观看 · Added 3 小时前

Learning Stats

B2

CEFR 等级

648

Total Words

398

Unique Words

6/10

难度

Vocabulary Diversity 61%

字幕 (80 segments)

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00:07

In 1834, the British Royal Navy ship, the Chanticleer,

00:13

was dealing with a terrible cockroach infestation.

00:17

The ship's surgeon, however, wrote enthusiastically about the stowaways,

00:23

describing them as a “most valuable insect.”

00:27

Their shining characteristic?

00:29

Devouring every bedbug on board.

00:33

Bedbugs have tormented humans for millennia,

00:37

so detested that their mere mention can make hearts race and arms itch.

Full subtitles available in the video player

Key Vocabulary (21)

human A2 verb

To act like a normal person or to function properly in daily life. It is often used humorously when someone feels too tired, stressed, or unmotivated to deal with social or work tasks.

insect A1 noun

A very small animal that has six legs and usually one or two pairs of wings. Their bodies are divided into three parts: the head, the thorax, and the abdomen.

"Mosquitoes are annoying insects."

long A1 adjective

extended

"Long road."

release B2 adjective

Functioning as an attributive descriptor for something that sets free, discharges, or makes a product or information available to the public. It typically characterizes dates, mechanisms, or legal documents intended to liberate or launch something.

blood B2 adjective

As an adjective or noun adjunct, it describes something relating to, consisting of, or conveying the life-sustaining fluid in the body. It is frequently used to specify medical tests, familial relationships, or physiological functions.

meal A1 noun

A meal is an occasion when food is eaten, or the specific food that is prepared and eaten at a certain time of day. It usually refers to the main eating events such as breakfast, lunch, or dinner.

"The meal is important."

ship A1 noun

A large boat used for carrying passengers or goods across deep water like oceans and seas. Ships are much bigger than boats and are designed for long-distance travel.

"The ship is important."

heat A1 noun

Heat refers to the quality of being hot or having a high temperature. It is commonly used to describe the warmth from the sun or the atmosphere during summertime.

"The heat is important."

three A1 number

3

"Three birds."

bodies
insects
however
humans
bedbugs
ddt
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