Retroceding
vt. 交还\\nvi. 后退
🗣️ 情景例句
He graduated from medical school in 1960
他在一九六零年从医学院毕业，
You can stay assured that shipment will be effected according to the contract stipulation.
你尽管放心，我们将按合同规定如期装船。
and if a single curved glass would distort nature, how much more would a pair of them?
何况一片曲面镜就可歪曲自然，那么伽利略的两片曲面镜对自然的歪曲又该多大呢？