Backdropped
(backdrop 的过去时) n. 背景幕, 背景
🗣️ 情景例句
I sure do....
我当然记得……
I also want to express my gratitude to all of my teachers over the years.
另外，我还想感谢这个多年来所有教过我的老师。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。