Elliptical tube
[化] 椭圆管
🧩 词语组成解析
🗣️ 情景例句
to have a family and grandchildren.
拥有一个家庭和孙子们。
There are forests here,and lumbering is important.
在这里有森林，木材业很重要。
Roy acted quickly and drove the bus straight at the thieves.
罗伊行动迅速，开车直冲窃贼而去。