Lactone
n. [化] 内酯
🗣️ 情景例句
Bill Gates has created a legend in the hi-tech sector.
比尔.盖茨在高技术领域创造了一个神话。
Stop it, Apollo!
阿波罗计划中止了。
New Zealand is an impotant agricultural country with a small population. In size it is bigger than Guangdong Province, yet has a much smaller population.
新西兰是一个人口很少的重要的农业国。新西兰的面积比广东省大，但人口却少得多。