Mamenchisaurus
马门溪龙属
🗣️ 情景例句
We are lucky to have you, Marilyn.
拥有你是我们的幸运， Marilyn。
Look before you leap.
三思而后行。
Even more processes are never patented at all but kept as secret processes.
更多的工艺过程根本就不会取得专利权，而是作为秘方保存着。