Perfectly mobil component
[机] 完全易变成分
🧩 词语组成解析
n. 美孚石油公司（世界上最著名的石油公司之一）
🗣️ 情景例句
He is equal to the task.
他胜任这个工作。
He who hath good health is young,and he is rich who owes nothing.
健康葆青春，无债即富有。
You've done very well. It's a pity you missed the sports meeting last week.
你学得不错嘛。很可惜，你错过了上周的运动会。