Allowance for corrosion
[化] 腐蚀裕度; 腐蚀余量
🧩 词语组成解析
allowance
[ə'laʊəns]
n. 津贴，补贴，零用钱;限额;折扣;默许，默认;
vt. 给（某人）零用钱或津贴;按定量供给;
allow允许 + ance 表名词，状态、情况 → n. 津贴,补贴,零用钱
for
[fɚ]
prep. 为，为了;倾向于;关于;当作;
conj. 因为，由于;
🗣️ 情景例句
He sees her often but doesn't want to get too involved.
他常与她来往，但不愿用情太深。
I'm afraid I don't know. Let me ask the supervisor in this section.
恐怕我不知道，让我来询问一下该组的负责人。
is the slowest and has travelled round the earth through the surface rocks.
是最慢的，是围绕地球通过表面岩石传来的。