Mandrels
n. （圆形）心轴
🗣️ 情景例句
in your tuxedo jacket pocket.
礼服上衣口袋 。
A match will set fire to a large building.
星星之火，可以燎原。
The officer unscrewed the cap and put the bottle to his nostrils.
海关官员拧开瓶盖，把瓶子放到鼻子底下。