Pregnene
[化] 孕烯; 孕甾烯\\n[医] 孕烯
🗣️ 情景例句
I have been learning English for three years now.
我学英语有3年了。
Thank you for your advice.
谢谢你的劝告。
The Verrazano Bridge, which was designed by Othmar Ammann, joins Brooklyn to Staten Island.
维拉萨诺大桥由奥斯马。阿曼设计，连结着布鲁克林与斯塔顿岛，