Contact test
[化] 接触试验
🧩 词语组成解析
contact
['kɑntækt]
n. 接触;触点;[医]（传染病）接触人;门路;
vt. 使接触;与…联系;与…通讯（或通话）;
vi. 联系，接触;
con共同+tact接触→共同接触 → 接触；联系
🗣️ 情景例句
I am exhausted. My new exercise class is so hard.
我太累了。我那新的健身班太难了。
You're not wearing enough. It's cold out there.
你穿这样不够保暖。
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。