Generatrixes
n. [数] 母线；母面；母点
🗣️ 情景例句
I'm sure I won't. I really appreciate all of your hospitality.
这点我相信。我真的很感激你的招待。
My class went camping last summer.
去年夏天我们班去露营了。
George took off his jacket, rolled up his sleeves and pushed is right arm through the drain cover.
乔治脱掉外套，卷起袖子，将右胳膊伸进了阴沟盖。