Xoybutyria
羟丁酸尿
🗣️ 情景例句
When you start to work, I'll give you $ 2,500 a month.
开始上班时，给你每月2500美元。
One way or a round trip ticket?
单程票还是双程票呢？
Whether a planet can support life depends on the size and brightness of its star, that is its 'sun'.
一颗行星是否能够维持生命取决于它的恒星——即它的“太阳”——的大小和亮度。