Miller夫妇在花岗岩表面贴了两张Billy的照片——一张很严肃，一张微笑着——由类似泪滴状的软金属片固定着。
Onto the face of the granite the Millers had emblazoned a pair of photos of Billy — one solemn, the other smiling — which were protected by sliding metal covers the shape of teardrops.
关于水蒸气在金属铬表面上能否形成滴状冷凝问题有各种不同的结论。
Different conclusions exist about whether dropwise condensation can be maintained on chromium.
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