Macroelement
[计] 宏单元\\n[化] 常量元素
🗣️ 情景例句
I'm so glad everyone is asleep.
很高兴大家都睡了。
I'm very much obliged to you.
非常感谢您。
Now, this is the chemistry lab. Have you been in this lab before?
好啦，这是化学实验室。你们以前到过这个实验室吗？