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(单词翻译:双击或拖选)
Tick numbers increase
Vocabulary
fatigue
extreme physical or mental tiredness; weariness
fatal
capable of causing death
ticks
tiny insects which feed on blood
extinct
(a species that has) died out
life cycle
stages of development during life
reproduce
generate offspring
reforestation
planting new trees
conservation
preserving animals or the environment for the future
a nuisance
something which is annoying
drops dramatically
falls greatly
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