Operating fluid
[化] 工作液体
🧩 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
🗣️ 情景例句
It was so nice to be out in the country.
出去置身乡下真是太好了。
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
He's not in his office at the moment.
他现在不在办公室里，