Directional solidification
[机] 方向性凝固
🧩 词语组成解析
directional
[[di'rekʃənəl]]
a. 方向的
n. 团结, 凝固, 固体化\\n[化] 凝固
🗣️ 情景例句
It was not until yesterday that I noticed it.
我一直到昨天才注意到它。
It is easier to pull down than build.
败事容易成事难。
This attracted the attention of Richard Humphries who was then the most eminent boxer in England.
这引起当时英国拳坛名将理查德。汉弗莱斯的注意。