adj. 有用的,有益的,有幫助的;令人滿意的;
?? use用+ful可…的” →有用的
"The memory expansion cards are useful adjuncts to the computer."
內(nèi)存擴充卡是計算機很有用的附件。
近義:helpful, assistive, available, profitable, purposive, serviceable
反義:idle, inane, ineffective, insignificant, lousy, needless
n. 沉默,無言,無表示,無聲,沉靜,肅靜,寂靜,緘默;無音信,失去聯(lián)系,忘卻,湮沒,無表示,無音訊;[樂]停止;
vt. 使安靜;使沉默;壓制;
?? 沉默死(si)冷(len-leng)廁(ce)無人知
"There was an awkward silence."
一陣令人尷尬的沉默。
近義:hush, lull, quiet, quieten, shush, still
反義:perturb, shake, agitate, disrupt, disturb, hullabaloo