Letdown drum
[化] 排放槽
🧩 词语组成解析
n. 减低, 减退, 松弛, 失望\\n[化] 调漆
drum
[drʌm]
n. 鼓;鼓状物;鼓声;石首鱼;
vt. 击鼓;连打;反复讲;鼓吹;
vi. 击鼓;连打;拍翅;
🗣️ 情景例句
I didn't mean it that way.
事情闹成那样并非我的本意。
Too swift arrives as tardy as too slow.
欲速则不达。
that a series of deep soundings was obtained in the Atlantic and the first samples were collected by dredging the bottom.
才在大西洋测得一个个海水深度，同时通过挖掘海底，取得了研究海底的首批样品。