It's about tens of meters in diameter.

它的直径大概有几。

After about fifty yards, they reached a fork. They looked at each other.

走了约莫五之后，他们个岔路口，两人对视了下。

One sixty-meter run can add 7 hours to your life.

次六的跑步可以为你的生命增加 7 个小时。

I stood right next to the flow of lava, 50 meters away.

我站在五远的熔岩流旁边。

Was it a) one metre tall, b) four metres tall, or c) ten metres tall?

是 A. ，B.四，还是 C. ？

It was only twenty meters from the water.

从家里海边只有二远。

The islands located near the epicenter shifted tens of meters.

位于震中附近的岛屿移动了数。

I was only twenty metres from the wall, and I still saw nothing.

我离墙只有二远，可我依然什么也没有看见。

Not ten metres farther on they stopped and cried out.

不大伙都停下惊叫起。

But as those glaciers melt, their highest point might shift often dozens of meters away.

但随着这些冰川的融化，它们的最点可能会移动几远。

Class two, they have a range of about 30 feet.

使用距离大约。

Class three devices have a range of less than 30 feet.

等级三使用距离小于。

The mother weighs almost two hundred thousand kilograms and is over thirty meters long.

母亲的体重几乎可达两百吨，身长超过三。

I mean, aspens are pretty average-looking trees of tens of meters high.

我的意思是，颤杨几，看起很普通。

After about fifty yards, they reached a fork.

走了约莫五之后，他们个岔路口。

After the pair walked for ten meters, the researchers separated them.

在它们走了以后，研究人员把它们分开了。

It's about twenty meters along on the left.

沿着左边走大约二。

They went a few dozen yards through fairly open woodland, keeping a sharp look-out.

他们在片较为开阔的林子里又走了几，直仔细的查看四周。

They were passing Metre 320 on Rack 11.

他们正从三百二处的号架前经过。

About twenty metres in front of our house was a great tree.

在我们的房子前面约二处有棵大树。