Carbon deposit

[化] 炭沉積; 積炭

?? 詞語組成解析

carbon ['kɑrb?n]
n. [化學]碳;(一張)復寫紙;[電]碳精棒[片,粉],碳精電極;復寫的副本; adj. 碳的;碳處理的;
carbo-, carb- 表示與煤炭相關
deposit [d?'pɑz?t]
n. 儲蓄,存款;保證金;沉淀物;寄存,寄存品; vt.&vi. 儲蓄;寄存;放置,安置;付保證金; vi. 沉淀;
de下面+posit放→放下不用→儲存;礦藏

??? 情景例句

How much money are you presently earning?
你目前掙多少錢?
How long have you stayed there?
你在那兒住多久了?
We've been anxious about you. We were expecting you back much earlier.
我們都為你們著急呢。都盼著你們早點兒回來。
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