Sealed bearing
[化] 密封轴承
🧩 词语组成解析
a. 未知的, 密封的\\n[法] 盖印的, 经盖章批准或证实的, 密封的
🗣️ 情景例句
Don't worry, Alexandra.
别担心，Alexandra。
The husband has built a doghouse for his dog.
丈夫为爱犬建造了狗屋。
So he had gone to the stores and had obtained a fixture that fitted both the tap on the supply line and the end of the air-line.
所以他就到仓库找到一个既适合供应管也适合供气管的接头。