Sealing system
[化] 密封系统
🧩 词语组成解析
[化] 封闭; 封闭处理\\n[医] 封闭, 封口(创伤)
🗣️ 情景例句
I know they are.
我知道他们会。
Some students quit school due to poverty.
一些学生因贫困而辍学。
it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
提出把它作为星际间唯一可辨认的广播频率就为期不远了。