他紧握拳头，努力保持冷静。
He began to clench his fists to remain calm.
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clench英 /klentʃ/|美 /klɛntʃ/
解释
clench 是动词，表示“紧握、攥紧”。这里指把拳头用力握紧。
He began to clench his fists to remain calm.
clench 是动词，表示“紧握、攥紧”。这里指把拳头用力握紧。