Carbalkoxy
[化] 烷酯基; 烷氧羰基
🗣️ 情景例句
Get to the heart of the matter.
请讲问题的实质。
Can I get a seat for today's 7:00 a.m. train?
我可以买到今天上午7点的火车座位吗？
There's a zoo in the park. We can go and have a look at the animals.
公园里有个动物园哩。我们可以去看看动物。