Concave perforated plate
[化] 凹形多孔板
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
v. 穿孔于, 在…上打眼( perforate的过去式和过去分词 ); （在纸张等上）打齿孔[孔眼线]
plate
[plet]
n. 盘子，盆子;金属板;均匀厚度的片状硬物体;[摄]底片，感光版;
vt. 镀，在…上覆盖金属板;覆盖;电镀;[印]给…制铅板;
plat 平坦 + e → n.板，片，盘 vt.电镀
🗣️ 情景例句
So that's it.
原来是这件事。
Let the cobbler stick to his last.
安分守己。
The albatross is the king of the gliders, the class of fliers which harness the air to their purpose, but must yield to its opposition.
信天翁是滑翔飞行的鸟类之王，它能自如地驾驭空气，但必须顺气流飞行。