Aifs
先进红外导引头(advanced infra-red seeker)
🗣️ 情景例句
Come on. You all helped.
别这样说。你们都帮了忙。
Often and little eating makes a man fat.
少吃多餐，身强体胖。
In his twenties Frank used to make spare parts for aeroplanes.
20多岁的时候，弗兰克曾生产飞机零配件。