Semimajor
axis(椭圆的)半长轴
🗣️ 情景例句
Do you do hair coloring?
你做染发吗？
Man is a god or a devil to his neighbour.
一个人对邻居来说，不是上帝，便是魔鬼。
It is four o'clock.In the afternoon, Mrs.Sawyer usually drinks tea in the living room.But this afternoon, she is drinking tea in the garden.
现在是4点钟，下午，索耶夫人通常是在客厅里喝茶，但今天下午，她正在花园里喝茶。