点击下方单词,选择对的这个单词
及物动词
1. 约束;限制;强迫To constrain someone or something means to limit their development or force them to behave in a particular way.
1. restrict
e.g. Tighten the rulesstiffen the regulations
Synonym: stiffentightentighten up
2. hold back
Synonym: restrainencumbercumber
多通过句子记忆单词,而不是单独死记硬背。