Bilatriene
三甲川胆色素, 胆汁三烯
🗣️ 情景例句
Some people are afraid of flying, which limits their options when traveling.
一些人十分害怕坐飞机，这也就限制了他们旅行时的选择了。
What time's the next train to Washington?
下一趟去华盛顿的车几点开？
How do I look?
我看起来怎么样？