C13
[医] 碳13, 天然同位素碳(原子量13)
🗣️ 情景例句
In general, my reaction is favorable.
总之，我的反应良好。
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
For lunch I had noodles, salad and later a peach.
午餐我吃了面条、色拉，后来还吃了只桃子。