Sectrometer
[机] 真空管滴定计
🗣️ 情景例句
But you may rest assured that the payment is guaranteed.
但是你尽可以放心，我们的付款是有保障的。
In that case, we might need to reopen the question of prices.
如果是那样，我们也许需要重新讨论价格。
She lives in Nigeria.
她住在尼日利亚。