visible

你晚上骑车时应该穿浅色衣服，这样你更容易被看见。

You should wear something light-coloured when you're cycling at night so that you're more ___visible.

火从五公里外就能看见。

The fire was ___visible from five kilometres away.

这颗彗星应该肉眼可见。

The comet should be ___visible to the naked eye.

她是一位非常引人注目的环保发言人。

She is a highly ___visible environmental spokesperson.

在你的论文写作中有一个明显的改进。

There is a ___visible improvement in your essay writing.

大约三个月后，我注意到一个明显的改进。

After about three months I noticed a ___visible improvement.