Lenard tube
[电] Lenard管
🧩 词语组成解析
雷纳德(①姓氏 ②Philipp, 1862-1947, 德国物理学家, 曾获 1905年诺贝尔物理 学奖)
🗣️ 情景例句
Hello.
喂。
Put (or Lay or Set) one's shoulder to the wheel.
出一把力。
Even under a clear blue sky, the village looked forbidding, as all the houses were built of grey mud bricks.
农舍全用灰色的土坯建成，因此，即使在晴朗的蓝天底下，村庄看上去也会令人感到难以亲近。