马第尼斯发球的时候，经常踩在底线上。

Martinez, when she served, usually stayed on the baseline.

《柯林斯英汉双解大词典》

在排球比赛中，发球员在发球时可以在底线后面自由移动。

In a volleyball game, the server may move freely behind the end line when serving.

youdao

我不同意你刚才的说法。正因为我的底线打得出色，所以才让你们认为我的发球比以前有了进步。

I think, you know, anyway if I didn't win a lot for the last few months, I think I am better player than before.

youdao

我不同意你刚才的说法。正因为我的底线打得出色，所以才让你们认为我的发球比以前有了进步。

I think, you know, anyway if I didn't win a lot for the last few months, I think I am better player than before.

youdao