Microdiabase
微晶辉绿岩
🗣️ 情景例句
so it's my pleasure
所以现在我很乐意
I didn't know whether to send the letter airmail or not.
我不知道是否送航空邮件。
She heard the front door open and heavy footsteps in the hall.
她听见前门被打开，走廊里响起重重的脚步声。