Lock unt
[機] 鎖緊螺帽, 薄螺帽
?? 詞語組成解析
lock
[l?k]
n. 鎖;水閘，船閘;（機器部件等的）鎖定;一把，一撮;
vt. 鎖上;鎖好，關好;使固定;隱藏;
vi. 卡住，不動;糾結;僵硬不動;
abbr. ultrasonic nondestructive testing 超聲無損檢測; untrained 沒有經(jīng)（受）過訓練的; uninephrectomy 單腎切除術; Union National Tchadienne (French=Chadian National Union) （法語）乍得民族聯(lián)盟
??? 情景例句
They are in Thessaloniki.
他們住在Thessaloniki
Experience keeps no school, she teaches her pupils singly.
親身經(jīng)驗，才是經(jīng)驗。
So it is a comparatively simple step from locating the sea bottom to locating a shoal of fish.
從測定海深到測定魚群，這一進展比較容易。