Residual soil
残留污垢
🧩 词语组成解析
soil
[sɔɪl]
n. 泥土;土地，国土;滋生地，温床;粪尿，肥料;
vt. 弄脏，污辱;给…上粪（施肥）;被弄脏，变脏;用青草饲料喂养（牲口）;
vi. 变脏、受污染或玷污的;变脏;
soil(full)→以青草喂（牛马）
🗣️ 情景例句
The rest of our family went to the movies.
我们家其余的人都去看电影了。
He that converses not knows nothing.
不和人交谈的人一无所知。
Sometimes a tame elephant is tethered nearby to give the wild one confidence,
有时，把一头已驯服的象拴在旁边能给野象以信心。