She was very tense, but she preserved an appearance of nonchalance.

她内心很紧张，可外表却装着满不在乎的样子。

《新英汉大辞典》

For a whole week he hasn't put in an appearance, so we are wondering what happened to him.

他有整整一周没露面了，所以我们都在想他出了什么事了。

《新英汉大辞典》

The "Twilight" series made an appearance on the list.

《暮光之城》系列电影也榜上有名。

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Then the group will be performing shows in several American states, including an appearance at the Coachella festival in Indio,California.

VOA: special.2010.04.16

We have the god of poetry, Phoebus Apollo himself, who makes an appearance, and he chides Milton for being so concerned with earthly fame -- more on that later.

这里诗歌之神，科巴士·阿波罗，露面了，他责备弥尔顿,这么在意世俗的名声--下面再谈这个问题。

耶鲁公开课 - 弥尔顿课程节选

The mathematical theory of probability was unknown until that time and you can see that insurance suddenly made an appearance at that time.

在那之前,概率的数学理论,是不存在的,而随着概率论的出现,保险业也突然出现了

耶鲁公开课 - 金融市场课程节选

Also making an appearance is a name from the past who showed he still has muscle with audiences.

FORBES: The Year's (Truly) Best Pictures

Prince canceled an appearance he was scheduled to make Sunday at a gathering in Washington.

FORBES: Street Quakes As Another Chief Falls

In the meantime, Apple finally made an appearance on the subject of the S4, yesterday.

FORBES: Tim Cook Will Sigh With Relief Following the S4 Launch Today