Ammonium fluoride
[化] 氟化铵\\n[医] 氟化铵
🧩 词语组成解析
n. 铵\\n[化] 铵
fluoride
[['fluəraid]]
n. 氟化物\\n[化] 氟化物
🗣️ 情景例句
I think she has a stomachache.
我想她肚子痛。
I can assuer you of our close cooperation.
我保证通力合作。
and near its lower reaches there is a long tailing-off which is almost certainly the result of material transported out to deep water after being eroded from the continental masses.
在这个地带的低处是很长的一段尾沙地段，基本上可以断定这个地段是大陆块体上侵蚀下来的物质被水冲到深水处形成的。