Commercial product
[化] 工业品; 商品
🧩 词语组成解析
🗣️ 情景例句
Except for my grandfather.
除了我爷爷。
Saving is getting.
节约等于收入。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。