triceps

n (pl unchanged 复数不变) large muscle at the back of the upper arm 三头肌. Cf 参看 biceps.

trespasser, tress, trestle, trestle-table, trews, tri-, triad, trial, trial run, triangle, triangular, tribal, tribalism, tribe, tribesman, tribulation, tribunal, tributary, tribute, trice, trick, trickery, trickily, trickiness, trickle, trickle charger, trickster, tricky, tricolour (US tricolor), tricycle, trident, tried, triennial, triennially, trier, trifle, trifler, trifling, trigger, trigger-happy,