first-out的用法和樣例：
例句
用作名詞 (n.)
- They pull to here, their hands come out, palms first.
他們推到這里，兩手出水，是手掌先出水。 - McCluskey fiddled with the envelopes and then decided to let the bookie sweat a little bit and make the first offer.
麥克羅斯基在舞弄著(zhù)紙袋，決定先敲老板的竹杠，讓賭場(chǎng)老板自己先出個(gè)價(jià)。
