钳制的英文：
clamp down on; suppress
参考例句：
The government tried to muzzle freedom of speech.
政府试图钳制言论自由。Close around/round/over sb/sth ;surround and enclose or grip sb/sth
围住并包围或钳制某人[某事物
A whole tank regiment was completely immobilized by enemy air attacks.
敌军的`空袭将整个坦克团完全钳制住了.
clamp是什么意思：
n. 夹钳，螺丝钳
v. 夹紧，固定住
Clamp the starter in a vise.
用老虎钳固定起动机。
The batten slipped through the clamp.
板条从夹子里滑了出来。
The police has clamped down on prostitution in this area
警察当局已取缔了这一地区的卖淫活动。
down是什么意思：
prep. 在…下，沿着
v. 下降，打倒
n. 潦倒；羽绒；丘陵
Down with hegemonism!
打倒霸权主义！
The sun is down.
太阳下山了。
Close down autos and you close down steel and rubber.
关掉了汽车工业你也就关掉了钢铁工业和橡胶工业。
suppress是什么意思：
v. 制止；镇压；平定；防止…被人知道或看到；抑制，压抑
Liz thought of Barry and suppressed a smile.
莉兹想起了巴里，忍住没笑。
The politician tried to suppress that piece of information.
那政客设法隐瞒该信息。
The nation seethed with suppressed revolutionary activity.
这个国家因被压制的革命活动而动荡不安
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