the sun is disappeared ,just a bright round has tied on the sky.

在上海瞭望勵(lì)志冬令營(yíng)學(xué)生快樂(lè)成長(zhǎng)：

the sky is getting dark,all clouds can't be seen.the sun has lost it's bright.suddenly, a black circul get close to the sun, it blocks part of it.few minutes later ,it blocks all of the sun, the sky is as black as ink，the sun is disappeared ,just a bright round has tied on the sky.