重大公告:此連結影片為Jason老師教學數十年最精華的教學速成口訣。裡面包含五大句型及六大動詞全部用法。讓你看完後就立即學會整本文法書的內容! 請同學們不要錯過
重大公告:重大公告:此連結影片為Jason老師教學數十年最精華的教學速成口訣。裡面包含五大句型及六大動詞全部用法。讓你看完後就立即學會整本文法書的內容! 請同學們不要錯過 https://www.youtube.com/watch?v=Gl68rbUlB7g&t=3029s

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bairdben 發表在 痞客邦 留言(0) 人氣()

真的很佩服 胡彥斌 的才華 @@ 這首歌被他改編的太好了!


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哇!张韶涵 進步好多啊 :D 很佩服他不服輸的個性!

   

 


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ture 2 Biology

l   Pro: So, that is how elephant uses infra sound. Now, let‘s talk about the other

and the acoustic spectrums, sound that is too high for humans to

hear---ultrasounds. Ultrasound is used by many animals that detected and

some of them seen(sent) out very high frequency sounds. So, what is a good

example? Yes, Kayo.

Kayo: Well, bats, since there is (they are )all blind, bets have to use sound for, you know,

to keep them from flying in the things(in to things ).

Pro: That is echolocation. Echolocation is pretty self-explanatory; using

echoes reflected sound waves to located things. As Kayo said that bat used for

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