Dactyl is the first moon of an asteroid ever discovered.

载克太1号是迄今发现的首颗小行星卫星。

The names Ida and Dactyl are based on characters in Greek mythology.

爱达和载克太的名字来自希腊神话人物。

This one is the asteroid ida. note its little moon satellite, dactyl , at the right.

这是小行星依达，右方的小白点为其卫星达克图。

Dactyl: it's made up of one stressed and two unstressed syllables, with the stressed in front.

扬抑抑格：扬抑抑格由一个重度音节和两个非重度音节组成，重读音节在前。

This image taken by the space probe Galileo at a distance of 2, 400 km captured IDA and its tiny companion, dactyl.

这幅照片由太空探测器伽利略号离小行星2,400公里处拍摄，依达与其卫星达克图清晰可见。

The tiny moon, named Dactyl, is about one mile across, while the potato shaped Ida measures about 36 miles long and 14 miles wide.

这颗小卫星命名为载克太1号，直径约1英里，而马铃薯状的小行星爱达则有36英里长，14英里宽。