n.坑(陨石坑、弹坑等);凹地;火山口
They blasted a huge crater in the runway. 他们在飞机跑道上炸了一个大坑。
The depth of the crater is expected to be about 30 feet. 弹坑的深度预计约于30英尺。
Lava boiled up from the crater of the volcano. 熔岩从火山口沸腾着升起来。
n.坑(陨石坑、弹坑等);凹地;火山口
craterwalln.火口壁
crateringn.磨顶槽