She has a seat on the board of directors.

她是董事会成员。

《牛津词典》

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I fixed a slab of board for the desk and made the back of the seat softer, then I oiled the screws so it is easier to fold.

我在桌子上固定了一块木板，并把椅背做得软了一些，之后给螺丝上了润滑油，这样就更容易折叠了。

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The ten-seat board, dominated in the post-Enron age by eight independent directors, has appointed a four-member search committee--without inviting Andreas to join it.

FORBES: Magazine Article

Anyone over age 18 may apply via video for a seat on board the rocket, but there is an application fee.

CNN: A one-way ticket to Mars, apply now

The Supreme Court in 2010 made clear that the five-seat labor board requires a quorum of at least three members to issue case rulings.

WSJ: Court Rules Obama Recess Appointments Unconstitutional