这项研究的目的是分析椭圆形的金橘和加利蒙地亚橘中的精油成分的变化。

The objection of this study is to analyzed changes of essential oil constituents in oval kumquat and calamondin.

youdao

我邀请他到白宫，好好地参观了椭圆形办公室，之后不久，他就去世了。

I invited him to the White House, and we had a good visit in the Oval Office not long before he died.

youdao

因为有卫星的头衔，而且沿椭圆形轨道环绕地球运行，月亮似乎每天平均51分钟返回到天空的同一地点。

Due to the moon's titled and elliptical orbit around Earth, the moon seems to return to the same place in the sky 51 minutes later each day, on average.

youdao