Hard metals
[化] 硬质合金
🧩 词语组成解析
hard
[hɑrd]
adj. 困难的;硬的;有力的;努力的;
adv. 努力地;猛力地;严重地;沉重地;
n. 英〉硬海滩，登陆处;
五金
🗣️ 情景例句
Is he still in his office?
他还在办公室吗？
He learns Japanese every day.
他每天都学日语。
The world had to wait almost another 100 years for the Channel Tunnel.
世界不得不再等将近100年才看到海峡隧道竣工。