Phytadiene
植二烯
🗣️ 情景例句
No, not yet. What about you?
不， 还没有。你呢？
I'm afraid there's nothing available before noon.
恐怕中午前是没法看了。
There are four seasons in the year here--spring, summer, autumn and winter.
这儿一年有四季--春、夏、秋、冬。