Operating requirements
[化] 使用要求
🧩 词语组成解析
operating
[['ɔpəreitiŋ]]
a. 操作的, 工作的, 营业上的, 业务的, 关于收支的, 关于损益的, 外科手术的\\n[机] 运转费用
n. 调整需要量, 必需品；要求（requirement的复数）
🗣️ 情景例句
I think I've caught a cold.
我觉得我感冒了。
Give in!
认输吧！
when she remembered that she had gone shopping after the home help had left and she knew that she had turned both keys in their locks,
但突然记起来了，帮手是在她出去买东西之前走的，她还记得曾用了两把钥匙把大门锁上了。