第四个

Hick pouched his fourth catch with ease.

希克轻松地接住了他的个球。

Delta is the fourth letter of the Greek alphabet.

δ是希腊母中的个母。

Perhaps the positions of the three pyramidical images in the crystal sphere hold the long-sought key to finding a fourth, as yet unfound.

也许在水晶球体三个形图像的位置有苦苦寻找发个的钥匙,目前为止还没有发。