Cnns
abbr. Committee on Northern Neogene Stratigraphy 北方地区新第三纪地层委员会; connectionless node network service 无连接节点网络服务
🗣️ 情景例句
I talked to Mr. Marchetta.
我跟Marchetta先生谈了。
An education enriches your mind.
教育能充实人的头脑。
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。