Coal flotation
[化] 煤浮选
🧩 词语组成解析
coal
[kol]
n. 煤;煤块;煤堆;木炭;
vi. 上煤;加煤;
vt. 给…加煤;把…烧成炭;
[化] 浮; 浮游选矿\\n[医] 浮集(法), 浮选(法)
🗣️ 情景例句
We really don't have to be overly concerned.
我们真的不需要过分担心。
Quite so.
的确是这样。
If we remain inveterate smokers, it is only because we have so often experienced the frustration that results from failure.
如果我们烟瘾大，戒不掉，那是因为屡戒屡败，失去信心。