hand-sorting

基本解釋

Would you like a hand sorting those letters?
你要我?guī)兔Π堰@些信分類嗎?
The compression property test method of coarse fraction hand sorting waste rock, smelter slag and their mixed filling materials had been introduced in this paper.
本文主要介紹粗粒級(jí)手選廢石、冶鍊爐渣及二者按不同比例混郃料的壓縮性能測(cè)定方法。
His sooty hand smudged the paper.
他被煤菸燻汙的手把紙弄髒了。
The children walk down the street hand in hand.
孩子們手拉手地在街上散步。
The teacher asked the pupil to put his hand down.
老師叫這個(gè)小學(xué)生把手放下。