Cetene
鲸蜡烯, 1-十六碳烯
🗣️ 情景例句
You go first.
你先来。
The first step is as good as half over.
第一步的成功等于事情的一半已完成。
Oh, and please keep together. We don't want any of you to get lost!
噢，请大家靠拢一些。我们不想丢下任何一位同学！