Replaceable hydrogen
[机] 可置换氢
🧩 词语组成解析
replaceable
[ri'pleisəbl]
adj. 可代替的;
🗣️ 情景例句
Unless in uniform, he doesn't look like a policeman.
除非穿上制服，要不他看起来不像警察。
He gave her his word that he would never be late again.
他向她保证，绝不再迟到。
Last week at a dinner party, the hostess asked me to sit next to Mrs.Rumbold.
在上星期的一次宴会上，女主人安排我坐在兰伯尔德夫人的身旁。