3. The worm burrowed its way under the earth.

蠕蟲在泥土下掘通道。

4. It is the early bird that catches the worm.

早起的鳥兒有蟲吃。

5. The tube worm has no mouth or digestive organs.

管蟲沒有嘴，也沒有消化器官。

6. The tube of the tube worm is really, really long.

管蟲的管非常非常長。

7. The most distinctive of these was something called the tube worm.

其中最特別的是一種叫管蟲的生物