Citronetin
枸橼素; 枸橼素
🗣️ 情景例句
Sorry to be a bother.
不好意思打扰你。
I want to reserve a seat from los angeles to tokyo.
我要预订一张从洛杉矶到东京的机票。
That's right. I'm travelling round the country.
对。我在周游全国各地。