Methionic acid
[化] 甲二磺酸\\n[医] 甲二磺酸
🧩 词语组成解析
🗣️ 情景例句
But you may rest assured that the payment is guaranteed.
但是你尽可以放心，我们的付款是有保障的。
Who will not keep a penny, shall never have many.
不积少，不会成多。
Instead of catching fish,they catch old boots and rubbish.
他们往往鱼钓不到，却钓上来些旧靴子和垃圾。