insertion
n
1 [U] ~ (into sth) inserting or being inserted 插入; 放入; 置入
the insertion of a coin into a slot 往投币孔塞进一枚硬币. 2[C]
thing inserted, eg an announcement or advertisementput in a newspaper 插入物(如在报纸上刊登的启事或广告).
🗣️ 情景例句
study for my math final.
温习数学 准备期末考试。
They that do nothing learn to do ill.
游手好闲,容易学坏。
The slope averages about 1 in 30, but contains steep,