Antiknocks
抗震剂
🗣️ 情景例句
And your friends are planning to go to Columbia?
而且你的朋友们也准备上Columbia大学 ，对吗？
Full details regarding packing and marking must be strictly observed.
请严格遵守包装及商标的细则。
Good, we'll pack up the order as soon as we get the not.
好，我们一收到会立刻打包。