Perihelial
a. perihelion的变形
🗣️ 情景例句
She is busy now.
她正忙着呢。
Is the production line fully attomatic?
生产线是全自动的吗？
When I was a teenager, I felt that I was just young and uncertain --
我十几岁时，总感到自己年轻，有些事拿不准 --