Ballistic pendulum
[化] 冲击摆
🧩 词语组成解析
ballistic
[bə'listik]
adj. 弹道学的;发射学的;飞行物体的;
🗣️ 情景例句
but when I received the letter
但是当我收到那封信
Experience must be bought.
若要得经验，必须化代价。
Bison waste no longer fell on the ground to improve the soil, which as a result became less good for growing plants.
地上不再有野牛的粪便来改良土壤，结果对于植物生长土壤变得不够肥沃了。