Bed of mortar
[机] 灰浆层
🧩 词语组成解析
bed
[bɛd]
n. 床;苗圃;河床;（地下由黏土、岩石等构成的）地层;
vt. 把…固定在;（某人）发生性关系;给人铺床;
vi. 上床;分层;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
mortar
['mɔ:tə]
n. 迫击炮;砂浆;房产;研钵;
vt.& vi. 用迫击炮攻击（或袭击）;用灰泥涂抹[结合];
🗣️ 情景例句
The annual school sports meet is held in March.
每年一次校运会在三月份举行。
The spirit is willing but the flesh is weak.
心有馀而力不足。
where wild rabbits are not generally regarded as a pest but as a sport and a useful food supply,
野兔在法国一般不被当作有害动物，而被视为打猎取乐的玩物和有用的食物来源。