Radius of notch

[机] 凹口半径

🧩 词语组成解析

radius ['redɪəs]
n. 半径(距离);用半径度量的圆形面积;半径范围;桡骨;
radi光线 + us 用→ 用光线扫出一个圆,则光线是→半径
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

I need a new supply of razors and shaving cream.
我需要新的剃须刀和剃须膏。
It is good to learn at another man's cost.
前车之覆,后车之鉴。
In the early morning, the food that had been laid out for the dead is thrown into a river or into the sea as it is considered unlucky for anyone living to eat it.
一大早,人们便把为死者摆放的食品扔进河中或海里,因为人们认为活着的人吃了这些东西是不吉利的。
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