Pneumatic chipper
[机] 气力凿
🧩 词语组成解析
a. 爽朗的, 活泼的, 爽快的\\nn. 凿子, 削者\\nvt. 使高兴起来\\nvi. 高兴起来, 吱吱叫, 喋喋不休
🗣️ 情景例句
I know that, but ...
这我知道， 但是……
Better have something we can get our hands on rather than just spend all our time talking.
有些实际材料拿到手总比坐着闲聊强。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。