invisible例句
It was strange, how
invisible a clerk could feel.
一名办事员会感到如此受人忽视，令人觉得不可思议。
The
invisible trade surplus was £200 million lower than reported.
无形贸易盈余比报道所称的少2亿英镑。
The container is
invisible until you shine an ultraviolet light on it.
那个柜子只有用紫外线照射才可以看见。