Microdiabase
微晶輝綠巖
??? 情景例句
so it's my pleasure
所以現在我很樂意
I didn't know whether to send the letter airmail or not.
我不知道是否送航空郵件。
She heard the front door open and heavy footsteps in the hall.
她聽見前門被打開，走廊里響起重重的腳步聲。