Naa
全国航空协会(美国)\\n[化] 中子活化分析
🗣️ 情景例句
To help scrub the building interior clean.
帮忙把建筑的内部擦洗干 。
You'll scare the baby if you shout.
你若大声喊叫，会吓着婴儿的。
Have you had a wash yet?
你洗过脸了吗？