Radius of notch
[机] 凹口半径
🧩 词语组成解析
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];
notch
[nɑtʃ]
n. (V字形的)槽口;刻痕;<美>峡谷;等级;
vt. 砍，切;在…上作刻痕、开槽口;作刻痕计算;得分;
🗣️ 情景例句
Part of the building for older people,
建筑物中的一部分给老年人用，
Don't tell anyone!
不要告诉别人喔！
There's no need for that. We'll have dinner another time.
不必为那件事惭愧。我们改个时间再共进晚餐吧。