Nonadecyl
十九(烷)基
🗣️ 情景例句
About what?
谈什么？
Can I take my vacation, sir? I would like to see my mother in Miami.
头，我可以休假吗？我要去探望在迈阿密的母亲。
Look, the falling leaves are all yellow. Lots of fallen leaves make the road yellow.
看那飘零的落叶，都是黄色的，黄色的落叶铺满的路面。