Cillar oiling
[机] 轴环加油
🧩 词语组成解析
[化] 加脂
🗣️ 情景例句
and how hard it is
他还说这件事很难
I feel guilty because I haven't written her lately.
因为我最近没给她写信，我感觉到有罪。
You go to the school office and telephone the police. Please hurry up!
“你去学校办公室给警察打电话。请快一点！快点！”