Pentaborane
n. [化]戊硼烷(用作火箭推进剂)
🗣️ 情景例句
This couple treats their adopted child as their own.
这对夫妇把他们的养子视如己出。
It's only a suggestion, you don't have to take it.
这只是一个建议，你可以不听。
Hello, Ken.
你好，肯。