clay

1. N-MASS Clay is a kind of earth that is soft when it is wet and hard when it is dry. Clay is shaped and baked to make things such as pots and bricks. 黏土

...the heavy clay soils of Georgia. …佐治亚州厚重的黏土的土壤。

As the wheel turned, the potter shaped and squeezed the lump of clay into a graceful shape. 随着轮盘的转动，陶工把那块黏土塑造、挤捏成了一个优雅的造型。

2. N-UNCOUNT In tennis, matches played on clay are played on courts whose surface is covered with finely crushed stones or brick. 红土网球场

Most tennis is played on hard courts, but a substantial amount is played on clay. 大多数网球是在硬地球场上打，但相当多的是在红土场地上打。