you're not here

基本解釋

"Can't if you're not here, " he answered.
他回答：“如果你不在，就開(kāi)心不起來(lái)?！?/li>
"I just need an hour to do some applications," Trotter says in a desperate voice to her boyfriend. "It's not like I can do it when you're not here, because you have your phone.
“我只需要一個(gè)小時(shí)寫個(gè)求職書，”Trotter絕望地向她男友喊道，“當(dāng)你不在家的時(shí)候，我沒(méi)辦法弄著這個(gè)，因?yàn)槟阌心阕约旱碾娫??！?/li>
You're not here for a biology lesson, but without PCR, we basically wouldn't be able to study DNA. That also means we wouldn't have the CSI shows, so, was it worth it? You decide.
在這不是要給你上生物課，但你得知道如果沒(méi)有聚合酶鏈?zhǔn)椒磻?yīng)技術(shù)，我們基本上不可能研究DNA，而且也不會(huì)有《犯罪現(xiàn)場(chǎng)調(diào)查》劇集系列了，所以這東西很贊吧，你說(shuō)呢。

But we are going to need you, not just here today, but you're going to have to go home and take some of what you've learned here and teach your families and folks -- the other kids in your schools who haven't had a chance to come, and figure out how you guys can get other people in your lives moving."
And what I'm showing here is not on your notes, if you're interested you can look it up in your book.
我這里展示的沒(méi)有在你們的講義里給出，如果你們感興趣的話可以看看課本。
麻省理工公開(kāi)課 - 化學(xué)原理課程節(jié)選
You're allowed Cv comes out here for this adiabatic expansion, which is not a constant volume only because this is always true for an ideal gas.
絕熱過(guò)程寫下,這個(gè)式子是因?yàn)樗鼘?duì)理想氣體都成立，并沒(méi)有用到等容過(guò)程的條件,只用了理想氣體的條件。
麻省理工公開(kāi)課 - 熱力學(xué)與動(dòng)力學(xué)課程節(jié)選

But now if you're not here, you know, at a certain time they won't let you in and you don't get seats together and this and that and the other thing.
NPR: Air Travelers Say Hassles Mount