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
you have so much energy and so many years of experience.
你精力这么好 ，又有这么多年的经验。
His wife died a year ago. Now he lives alone.
他妻子去年去世了。现在他一个人住。
Learning English is like building a house.
学英语象盖房子。