Stanvac
美孚真空石油公司(美国)
🗣️ 情景例句
He emphasized that Marxism was scientific truth.
他指出马克思主义是科学的真理。
Pick up the receiver and deposit a coin in the slot.
拿起听筒和放一个硬币到投币口。
Are you ready to sign?
准备好可以签名了吗？