C1 上級 3782 タグ追加 保存
動画の字幕をクリックしてすぐ単語の意味を調べられます!
単語帳読み込み中…
字幕の修正報告
When Australia separated from Gondwanaland, it was like a giant Noah's Ark adrift on the seas,
and the animals on it had to adapt in isolation from the rest.
The trees also adapted, particularly the eucalyptus tree, which quickly spread.
Some marsupials had no problems in squeezing the juice out of this situation.
The Koala bear managed the impossible: it adapted to the point where all it eats are eucalyptus leaves.
Eucalyptus leaves are poor quality food, indigestible and full of toxins,
but the koala has managed to survive on them.
Their digestive process is long, and the koalas go about their business without wasting any energy.
This is part of their metabolic strategy.
They can survive on only 16 ounces of leaves a day,
but of course they move very slowly to avoid wasting energy.
They are pretty clumsy on the ground and very vulnerable,
so they only go down to the ground in order to move over to another tree.
The koala is indifferent to the rhythm of the bustling world.
And even more so when it's raising its young.
Raising its young takes time.
The young koalas suckle in the marsupial bag until they are 6 months old.
When they are weaned, they are initiated into the art of leaf eating.
For this, their mother feeds them with her own feces,
a purée which provides them with the microorganisms they need to digest the toxic eucalyptus leaves.
After weaning, the young koalas leave their mothers to live on their own in these woodlands.
コツ:単語をクリックしてすぐ意味を調べられます!

読み込み中…

Koala Facts | Wild Animals - Planet Doc Full Documentaries

3782 タグ追加 保存
陳貞吟 2016 年 4 月 12 日 に公開
お勧め動画
  1. 1. クリック一つで単語を検索

    右側のスプリクトの単語をクリックするだけで即座に意味が検索できます。

  2. 2. リピート機能

    クリックするだけで同じフレーズを何回もリピート可能!

  3. 3. ショートカット

    キーボードショートカットを使うことによって勉強の効率を上げることが出来ます。

  4. 4. 字幕の表示/非表示

    日・英のボタンをクリックすることで自由に字幕のオンオフを切り替えられます。

  5. 5. 動画をブログ等でシェア

    コードを貼り付けてVoiceTubeの動画再生プレーヤーをブログ等でシェアすることが出来ます!

  6. 6. 全画面再生

    左側の矢印をクリックすることで全画面で再生できるようになります。

  1. クイズ付き動画

    リスニングクイズに挑戦!

  1. クリックしてメモを表示

  1. UrbanDictionary 俚語字典整合查詢。一般字典查詢不到你滿意的解譯,不妨使用「俚語字典」,或許會讓你有滿意的答案喔