Semimajor
axis(椭圆的)半长轴
🗣️ 情景例句
Yeah, he's fine.
是的 ，他不错。
What shall I send hin for his anniversary?
我要送他什么东西作为周年纪念礼物？
Every time he wanted to come into the garden he would bark until someone opened the gate.
每当它想到花园里来时，便汪汪叫个不停，直到有人把门打开。