Question

rudiment 【rudiment】n.初步Everyone learns the rudiments of arithmetic in elementary school.每人在小学都学初级算术。

Accepted Answer

['ruːdəmənt] 
rudimentthe elementary stages of any subject (usually plural)
Rudiment, usually used in the plural, means the basics. If you know the alphabet, you have the rudiments of reading at your disposal.
You might learn the rudiments of cooking from your mother, but you won't become an expert until you spend time in your own kitchen. In biology, the word rudiment means an undeveloped part of an organ or limb, like you would find in an embryo or fetus.
All forms of 'rudiment' will appear on average once every 1181 pages.rudimentrudimentaryrudiments

Front	rudiment
Pron	['ruːdəmənt]
Back	【rudiment】 n.初步 Everyone learns the rudiments of arithmetic in elementary school. 每人在小学都学初级算术。
Vocab	rudimentthe elementary stages of any subject (usually plural) Rudiment, usually used in the plural, means the basics. If you know the alphabet, you have the rudiments of reading at your disposal. You might learn the rudiments of cooking from your mother, but you won't become an expert until you spend time in your own kitchen. In biology, the word rudiment means an undeveloped part of an organ or limb, like you would find in an embryo or fetus. All forms of 'rudiment' will appear on average once every 1181 pages. rudiment rudimentary rudiments

Rudiment Elementary Means Ruːdəmənt N.初步 Learns Arithmetic School