Acierate
v. 化鐵為鋼, 摻碳, 增碳
??? 情景例句
The climate here is always hot, summer and winter alike.
這里的氣候總是那么熱，夏季與冬季都一樣。
You have to be on time. Don't be late.
只準(zhǔn)早到，不許遲到。
which is, in fact, much more complicated.
地震波的運(yùn)動(dòng)實(shí)際比這要復(fù)雜得多。