投下

A red cube sits on a wooden table, casting a small shadow.

一红色立方体在木桌上，投一影子。

A blue cube sits on a table, casting a small shadow.

一蓝色立方体放在桌子上，投了一影子。

The dark cloud cast a negative shadow over the sunny day.

乌云给晴朗日子投负影。