Martinal
氢氧化铝
🗣️ 情景例句
It's going to be hard, but give it your best shot.
事情会很难，你尽力而为就是了。
Quit your job?
辞职？
He investigates complaints large and small that come to him from all levels of society.
他听取社会各阶层的各种大小意见，并进行调查。