Most mechanical pencils can be refilled, but some inexpensive models are meant to be disposable and discarded when empty.

多数自动铅笔可重新装填，也有一些便宜的类型用完后可以丢掉。

youdao

WS-BPEL actually specifies that a runtime fault is thrown when empty data is assigned, for example, if the source of an assignment is an uninitialized part.

WS - BPEL实际指定在分配空数据时抛出运行时错误，例如，如果分配的源是未初始化的部分。

youdao

Sadly when the lid of the boot sprang open, it was empty.

可惜，当后备箱盖弹开时，里面是空的。

《柯林斯英汉双解大词典》

When she arrived at the large department store, she sat in front of an empty counter.

VOA: special.2010.10.02

And as I followed many of the students after they graduate, whether the students who work with me here as undergrads or students who I tutored, when I followed the path,it wasn't just empty words.

据我了解，很多学生毕业后，无论是与我一起工作,还是我辅导的学生，当我了解他们的前路，并不是些空话。

哈佛公开课 - 幸福课课程节选

The people seem so empty of joy that when she touched their cold fingers it is as if she were shaking hands with a storm.

VOA: special.2009.11.15

Each bed typically turns over annually, and a bed that is empty when school starts often remains empty for the entire semester.

WSJ: Big Real-Estate Firms Are Going to School

When completely empty it takes a maximum of eight hours to fully charge the battery at a household socket or charging station on the electricity systems of most countries i.e. overnight.

ENGADGET: Third generation Smart Fortwo ditches Tesla powertrain, gains two wheeled cousin

Venice jumped into the picture last year, when Italian officials invited Pinault to fill shoes left empty when honorary Fiat chairman Gianni Agnelli died in 2003 and his company stopped supporting revolving art exhibits at the palazzo.

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