🧩 词语组成解析
insulin
['ɪnsəlɪn]
n. 胰岛素;
🗣️ 情景例句
Let's eat!
吃吧！
This is my second year of college, I'm a sophomore.
这是我上大学的第二年，我是二年级学生。
One evening, however, the lamb was missing.
可是，一天晚上，那只小羔羊失踪了。