Why is it so hard to get rid of bed bugs? - Gale E. Ridge
Learning Stats
CEFRレベル
Total Words
Unique Words
難易度
字幕 (80 segments)
DownloadIn 1834, the British Royal Navy ship, the Chanticleer,
was dealing with a terrible cockroach infestation.
The ship's surgeon, however, wrote enthusiastically about the stowaways,
describing them as a “most valuable insect.”
Their shining characteristic?
Devouring every bedbug on board.
Bedbugs have tormented humans for millennia,
so detested that their mere mention can make hearts race and arms itch.
Full subtitles available in the video player
Key Vocabulary (21)
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.
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."
extended
"Long road."
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.
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.
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."
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 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."
3
"Three birds."
Grammar in This Video
"If they find themselves in a particularly cool environment, they can enter a dor..."
"proteins that dilate blood vessels"
"biological signals our bodies release"
"within 20 feet of where their human host is regularly sitting"
"Bedbugs have tormented humans for millennia"
"which is thought to help them preserve precious moisture"
"as long as they haven’t eaten recently"
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