Unbonded silica sand

[機(jī)] 低粘性矽砂, 矽砂

?? 詞語(yǔ)組成解析

unbonded
未粘著[合]的, 未砌合的, 無(wú)束縛的, 自由的, 游離的
silica ['silik?]
n. 硅石,二氧化硅;硅氧;
sand [s?nd]
n. 沙;沙灘;沙色; vt. 撒沙于;用砂紙磨光;

??? 情景例句

I have good news and bad news, which do you want to hear first?
我有好消息和壞消息,你想先聽(tīng)哪個(gè)?
Never say of another what you would not have him hear.
莫說(shuō)不想讓人聽(tīng)見(jiàn)的話(huà)。
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
鉆井平臺(tái)需要經(jīng)常修理,潛水員常常要在水面100英尺以下摸黑工作,
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