Ponderal indices
[医] 重量指数
🧩 词语组成解析
[医] 重量的
pl. 索引, 指针, 指数, 指标
🗣️ 情景例句
But there are one point which I'd like to bring up about the packing.
不过还有一点我得提出来，关于包装问题。
When did you arrive?
你什么时候到达?
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。