Mandrels
n. （圆形）心轴
🗣️ 情景例句
His wife has himi under her thumb.
他完全受他妻子控制。
Don't forget to print airmail on the letter.
不要忘记在信封上印上航空邮件
He owes his success more to luck than to ability.
他认为他的成功是靠运气而不是因为自己的能力。