Lever arm relation
[机] 杠杆关系
🧩 词语组成解析
lever
['li:və, 'levə]
n. 杠杆;操作杆;工具;
vt. 用杠杆撬动;
arm
[ɑrm]
n. 臂;武器;[复数]战事;权力;
vi. 准备（斗争），准备行动（against）;
vt. 装备（防御工事）;准备（攻击或迎击）;配备;防护;
🗣️ 情景例句
the bank needs to be sure
银行需要确定
There is a tremendous responsibility involved in raising children.
养育孩子是一桩责任重大的事情。
He was just able to lie down on the ground, but could not stand up.
他只能躺在地上，但不能站起来。