Naa
全国航空协会(美国)\\n[化] 中子活化分析
🗣️ 情景例句
We have another appointment on the same day.
我们那天有另外一个约会。
The coach is always gloomy when the team loses a game.
球队一输球，教练总要绷起脸来。
The city was equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.
城里甚至还敷设了排水系统，因为在狭窄的街道底下发现了许许多多陶土制作的排水管道。