Cetene number
[建] 十六烯值
🧩 词语组成解析
鲸蜡烯, 1-十六碳烯
🗣️ 情景例句
Can I speak with Mr. or Mrs. Burns?
我可以跟Burns先生或太太通话吗？
Are they all non-reserved seats?
他们全部不预订的吗？
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，