Rangekeeper
射程计算仪
🗣️ 情景例句
We'll open a letter of credit if you promise to effect shipment one month earlier.
如果你方答应提前一个月交货，我们就同意开信用证。
Long looked for comes at last.
久久寻找，终会找到。
What is needed in the case of noise is a study of large numbers of people living under noisy conditions,
对于噪音问题，需要对大量生活在噪音中的人进行研究，