| 释义 |
Definition of sub-bottom in English: sub-bottomnoun ˌsʌbˈbɒtəm Originally: a layer or structure that lies below the base, floor, or lowest point of something else. Later chiefly: specifically the rock strata beneath the sea bed.
adjective ˌsʌbˈbɒtəm Below the lowest level or bottom of something, (now especially) below the sea bed.
Origin Late 19th century. From sub- + bottom. Definition of sub-bottom in US English: sub-bottomnounˌsʌbˈbɒtəm Originally: a layer or structure that lies below the base, floor, or lowest point of something else. Later chiefly: specifically the rock strata beneath the sea bed.
adjectiveˌsʌbˈbɒtəm Below the lowest level or bottom of something, (now especially) below the sea bed.
Origin Late 19th century. From sub- + bottom. |